2012 Ap Physics C Mechanics Frq - AP Physics C: Mech FRQ 1991 Q2.

The object's potential energy depends only on its mass and the locations of points A and B. 10 m s 2 is of course also acceptable. Please note, pacing options are provided for teaching the course in a single semester or a full year. oak boards lowes Parts (a), (b), (c), and (d) earned full credit. 24 hr fitness fullerton 2012 Ap Physics C Mechanics Frq 2012-ap-physics-c-mechanics-frq 2 Downloaded from ftp. reproduce them, in whole or in part, in. All of the best AP Physics C practice exams. com/bde2aycxStay motivated and keep preparing for AP Exa. AP® PHYSICS C: MECHANICS 2019 SCORING GUIDELINES Question 1 (continued) (b) Use the above equation to: i. The suggested times are about 17 minutes for answering each of Questions 1 and 5, and about 11 minutes for answering each of Questions 2-4 and 6-7. Free-Response Questions, Scoring Guidelines, and Sample Student Responses and Commentary. somerville public schools employment AP® Physics C: Mechanics Exam Regularly Scheduled Exam Date: Monday afternoon, May 14, 2012 Late-Testing Exam Date: Friday afternoon, May 25, 2012 Section I: At a …. The materials included in these files are intended for use by AP teachers for course and exam preparation; permission for any other use must be sought from the Advanced Placement Program®. AP® Physics C: Mechanics 2004 Scoring Guidelines. 4:57 Newton's 2nd Law and Free Body Diagrams. (b) Derive an expression for the normal force exerted by the surface on the block. Writing Instrument: Pen with black or dark blue ink, or pencil. For one of the following: a statement that correctly relates the total energy of the system, the maximum compression distance of the springs, and the spring constant. The AP * Physics C Companion – Mechanics is an easy-to-read companion to the AP Physics C: Mechanics curriculum, …. The mass and radius of the disk are given by. Section 1: Multiple Choice (50% of score) 35 questions to complete in 45 minutes. A particle of mass m moves in a conservative force field described by the potential energy. AP Physics C - Mechanics Course. Scroll down the page to see the notes. At the moment it reaches the highest point in its path and is moving horizontally, it collides with and sticks to a wooden block of mass 0. C = B = FRQ; teacher resources; exam information; student resources; free-response questions; ADA Created Date: 8/17/2021 5:26:04 PM. AP Physics C Mechanics is a challenging course that delves into the principles of classical mechanics, covering topics such as kinematics, dynamics, work and energy, linear momentum, rotational motion, and oscillations. The materials included in these files are intended for use by AP® teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program. The cart starts from rest at time t = 0 s and is pulled for a time of 2. William Ingham, Chair James Madison. The four AP Physics courses are: AP Physics 1: Algebra-based. One-Month AP® Physics C: Mechanics Study Guide. Another light string connecting the block of mass m to a hanging sphere of mass M passes over a pulley of negligible mass and negligible friction. Section II: Free-Response Questions Multiple-Choice Answer Key Free-Response Scoring Guidelines This is the multiple-choice sec tion of the 2012 AP exam. If the scale was initially balanced, moving the fulcrum will not change this. AP® Physics C: Mechanics 2003 Free-Response Questions. Part (b) relates the gravitational potential. 1 AP Pi C MniCours x cription 00762-139-CED-Physics C-Mechanics_Appendixes. AP Physics C: Mechanics100% (5) 20. The course at a glance provides. The solutions contain the m ost comm n method of solving the free-response questions and the allocation of points for this solution. Regularly Scheduled Exam Date: Monday afternoon, May 13, 2013. AP Physics C: Mechanics Exam Format. Physics B / AP Physics AP Physics 1: Sample Question 1 by College Board Oct 2012: Gravitation AP Physics C: Mechanics FRQ 1995 M3: . Download questions here: https://tinyurl. 2857 = Number Correct Weighted Section I Score (out of 35) (Do not round) Section II: Free Response. mugshots etowah county Question 2 (continued) Sample: 2B. Each year, The College Board serves over three million students and their parents. Correct answer: Mass and momentum. Scoring Note: Discrete points following the appropriate curve will earn this point. (b) Calculate the current through the 50 resistor. wings of fire ocs Testimonials "Thank you for your wonderful lectures! I aced my Physics C Mechanics Exam all thanks to your videos!" "I only took AP Physics Mechanics in school but took the E&M test too, even though the course isn't available at. It's my first attempt at a math solutions video, so don't judge too harshly! AP Physics C: Mechanics. Original free-response prompts for AP® Physics C: Mechanics that mimic the questions found on the real exam. The two exams are in separate exam packets, and require separate answer sheets. AP Physics C Free-Response Index. Chemical digestion is the process by which food is broken down and has most of its nutrients extracted. pdfThe scoring guidelines: https://secu. The frame of reference of any problem is inertial unless otherwise stated. Another light string connecting the block of mass m to a hanging sphere of. Founded in 1900, the College Board is composed of more than 5,700 schools, colleges, universities and other educational …. Other methods of solution also receive appropriate credit for correct work. The scoring guidelines typically show numerical results using the value g 9. Free-Response Questions Multiple-Choice Answer Key Free-Response Scoring Guidelines Scoring Worksheet Question Descriptors and Performance Data Note: This publication shows the page. The second point was earned because the response provides a valid justification by stating the equation and the mathematical relationship between the mass of Block 2 and the spring constant. I only do AP Calculus, Statistics, and Physics. 0 x 2 , where U is in joules and x is in meters. The suggested time is about 15 minutes for answering each of the questions, which are worth 15 points each. the multiple-choice booklet will not be scored. The solutions contain the most common method of solving the free-response questions and the. In this 27 minute video, Dan Fullerton provides a walk-through of the free response questions from the 2018 AP Exam. (e) Calculate the speed of block 2 as it leaves the table. The AP Physics C: Mechanics Exam has consistent question types, weighting, and scoring guidelines every year, so you and your students know what to expect on exam day. For some correct application of conservation of energy. Flipping Physics has detailed. The AP Physics C: Mechanics exam date for the 2022-2023 school year is Tuesday, May 9, 2023 at 12 noon. Look at your exam packet and confirm that the exam title is "AP Physics C: Mechanics. Part (b) uses Newton’s second law to create the appropriate differential equation for the motion of the block. The 1998 Released Exam, a valuable resource. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face …. At the moment the bullet hits, the spring is at its natural length, L. The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program. Scoring Note: Derivation must start with a statement of Newton’s second law to earn this point. Teachers may reproduce them, in whole or in part, in limited quantities for noncommercial, face-to. Renato does research in Solid State Physics, Condensed Matter Physics and. The masses of the rope and pulley are negligible. ADVANCED PLACEMENT PHYSICS C TABLE OF INFORMATION CONSTANTS AND CONVERSION FACTORS 164 | Appendix V. For parts (d)-(g), the value for the length of the pendulum is L = 75 cm. com/4re527x3Stay motivated and keep preparing for. (B) How does the car's average velocity between time t = 0 and t = 1 s compare to its average velocity between times t = 1 s. Find its speed as it passes through x = x1. Solve that and you get t = Vo / (2 * mu * g) Then you can get the answer for part d by the equation for v with t being the answer acquired in part c. The following assumptions are used in this exam. AP Physics C Mechanics: Kinematics Free Response Practice Test Pdf Download. Motional Emf, energy conservation. : If you're looking for help in AP Physics 1, check out a new course I've put together here AP Statistics AP Calculus AB/BC AP Physics 1 AP Physics 2 AP Physics C: Mechanics Set 1 Set 2 AP Physics C: E&M Set 1 Set 2 And check out my …. Hey, here's what I got for the answer. velocity graph For calculating using the graph between 0 and 1. Contains: Multiple-Choice Questions and Answer Key. The solution is on pages 182 - 184 of this pdf. An object slides off a roof 10 meters above the ground with an initial horizontal speed of 5 meters per second as shown above. Student Performance Q&A: The following comments on the 2012 free-response questions for AP® Physics C: Mechanics were written by the Chief Reader, Jiang Yu of Fitchburg State University in Fitchburg, Mass. AP Physics C - 2017 Mechanics FRQ Solutions. AP Physics C: Mechanics Cram Unit 2: Newton's Laws of Motion (Dynamics) Slides. Physics C: Mechanics 2021 Scoring Guidelines. The prompts in the MCQs were too long and convoluted. In this AP Physics video, we go through the 2015 AP Physics C Mech 2 AP free response problem. The AP Physics C: Mechanics exam is one of the shortest AP exams, clocking in at just one hour and 30 minutes. Founded in 1900, the association is composed of more than 4,500 schools, colleges, universities, and other educational organizations. AP Physics C pictorial index 19. beginning of the session, you will distribute only the packets and answer sheets for Mechanics. 6% of the students earned 4 and 13. A student builds a pendulum by attaching one end of a string of known length to the ceiling and the other end to a small solid sphere. Friedlander *BB=Black Box problems for Word 2007-8 in single-year files—use multiple-year files See end of document for index to Practice Exam Problems 2008, 2013-18. Using the straight line from part (c), determine the value of b for the partially hollowed sphere. (d) Derive an expression for each of the following as …. AP Physics C Mechanics 2012 MCQ WalkthroughIn this session, our AP Physics C tutor Kishore will be doing a walkthrough through the publicly released 2012 AP. Each force must be represented by a distinct arrow starting on, and pointing away from, the point of application on the sphere. Circular Motion and Rotation – 18%. This time is split equally between the multiple choice and free response sections. AP®Physics C: Mechanics 2022 Scoring Commentary. Before using this guide, make sure you know the basics of Calculus and Physics 1 or 2 concepts. Formulas not provided by the AP test. Thanks to Jim Liptack (Wilton High School Wilton CT 06897) for piecing together these AP Physics 1 Released FRQ that may be good practice for the online 2020 AP Physics C Mechanics Exam. Our expert authors also provide an exemplary response for each AP free response question so students can better understand what AP graders look for. AP® Physics C: Mechanics 2021 Scoring Guidelines (d) For an acceleration graph that is concave down and begins horizontally 1 point For an angular speed graph that is concave down and ends horizontally 1 point For consistency between the angular acceleration and angular speed graphs 1 point Example responses for part (d). In the real world you won’t have. The materials for Electricity and …. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to …. Link: AP Physics C 1998 Released Exam. The change in the object's kinetic energy is equal to the work done by the external force, W = ∫F•dr. AP® Physics C 1997 Free response Questions The materials included in these files are intended for use by AP teachers for course and exam preparation in the classroom; permission for any other use must be sought from the Advanced Placement Program ®. Lf = I1ω + I2ω = 1 2m1R21ω + 3 2m1R21ω = 2m1R21ω. Determine the centripetal acceleration of star A. Ignore the friction in the pulley. Unit 3: Work, Energy, and Power. between the block and the surface. 1 Motion in One Dimension One dimensional motion only considers movement in the ! or " axis, with vectors in ℝ1. No matter what course you are taking, we are a community that helps students earn college credit! AP Physics C: Mechanics Exam - 2023 US Discussion. See pages 21-22 of the AP Physics Course Description for a description of the use of such terms as "derive" and "calculate" on the exams, and what is expected for each. " Raise your hand if your exam packet contains any title other than "AP Physics C: Mechanics," and I will help you. 3 Questions | 45 Minutes | 50% of Exam Score. Today, the membership association is. AP® Physics C: Mechanics 2022 Scoring Guidelines. mcclure rd Physics C: Mechanics 2021 Scoring Guidelines more of the mass of the rod is at the end of the rod opposite point P, more mass is AP® (c) For selecting "Greater than" with an attempted justification 1 point For a correct justification 1 point Example responses for part ( c) Because. games free online poki The component of the gravitational force along the surface is greater than the frictional force. The object is moving 2 m/s at the origin. Women in mechanic vocations have selected scholarship options from which to choose, depending on their specific areas of study. AP® Physics C: Mechanics Scoring Statistics 2018 Free-Response Questions Author: College Board Subject: AP; Advanced Placement; Keywords: 2018 AP Scoring Statistics; exam information; scoring information; score data; AP scores; AP data; ADA Created Date: 9/20/2018 1:17:20 PM. AP Physics C: Mechanics is one of four physics courses available through the College Board’s Advanced Placement Program. Assume air resistance and the rocket’s change in mass are negligible. Scoring Note: Any part of the graph beyond t1 is not considered in scoring. These will count as 50% of your total exam score. See pages 21–22 of the AP Physics Course Description for a description of the use of such terms as “derive” and “calculate” on the exams, and what is expected for each. Have your responses handy as you go through the rubrics to see how you did! ⏱ Remember, the AP Physics 1 exam has 5 free-response questions, and you will be given 90 minutes …. Students are to conduct an experiment to investigate the relationship between the terminal speed of a stack of falling paper coffee filters and its mass. This is an attempted solution to the 2023 AP Physics C: Mechanics SET 1. Teachers are permitted to download the materials and make copies to use with their studentsin a classroom setting only. For the correct answer (if previous 3 points were awarded) 1 point. AP Physics 1: Algebra-Based Course and Exam Description. Continue your response to QUESTION 1 on this page. Remove the white seals from the backing and press one on each area of your exam booklet cover marked “PLACE SEAL HERE. The disk is able to rotate with negligible friction about an. The mean score for the exam is 3. (d) For selecting C > D with an attempt at a relevant justification. Simple harmonic motion (SHM) is a type of periodic motion where an object oscillates about a fixed point (equilibrium position) with a constant amplitude and frequency. Questions can be found at https://secure-media. AP Physics C: Mechanics Exam 201718 AP Exam Instructions. !is unit covers unit 1 of the AP Physics C: Mechanics curriculum, as well as a brief introduction to section 2. Physics practice 2021 ap physics mechanics questions set 2021 college board. I made this video as a final project for my AP Physics class. The direction of any electric current is the direction of flow of positive charge (conventional current). AP® Physics C: Mechanics 2011 Free-Response Questions About the College Board The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. Part (e) compares the motion of the original disk with a hoop of the same mass and radius. The switch is initially open and both capacitors are uncharged. Teachers may reproduce them, in whole or in part, in limited quantities, for face-to-face. com on 2022-05-20 by guest Albert Einstein. There is a small conservation of energy at the end! The 1991 AP Phy. It is Friday afternoon, May 25, and you will be taking the AP Physics C: Mechanics Exam. Study with Quizlet and memorize flashcards containing terms like The equation used to predict the theoretical period TT of a simple pendulum assumes a small amplitude of oscillation. The coefficient of kinetic friction between the block and the surface is 0. Click through our free AP Physics C: Mechanics study guides and flashcards below: The only resource you need to get a 5 on the AP. • The 45-minute multiple-choice section contains 35 questions and accounts for 50 percent of the final grade. These reports show us that the mean score was 3. We look at the 1975 AP Physics C: Mechanics FRQ number 1 in which a body experiences free fall while being acted upon by a drag force. 7K views 11 months ago AP Physics C: Mechanics. These materials were produced by Educational Testing Service (r) (ETS (r)) The College Board and ETS are dedicated to the principle of equal opportunity. In an initial experiment, a 100-gram (0. Walk-through of the 2015 AP Physics C: Mechanics Free Response Questions. Walkthrough of the 2023 AP Physics C Mechanics (Set 1) FRQsWebsite: http://www. AP Classroom is a free and flexible online platform that provides instructional resources for each AP course to support student learning of all course content and skills. cool math games wtf The second point was earned for a justification correctly connecting the changing position to the changing normal force and the normal force to the friction force. 2012 AP® Physics C: Mechanics Free-Response Questions The following comments on the 2012 free-response questions for AP ® Physics C: Mechanics were written by the Chief Reader, Jiang Yu of Fitchburg State University in Fitchburg, Mass. Apply the same amount of mass to both ends. rolling w/o slipping, cons of energy on an incline. (c) Determine the acceleration of the cart. Activision Blizzard COO Daniel Alegre i. AP Physics C Mechanics Practice Test 5: Rotational Motion. com, you can now see which states around America have the highest and lowest demand for auto mechanic services. AP Physics C: Mechanics 2022 Free-Response Questions: Set 1. African American Studies UNIT 1 and 2 CED. You may find examples of defense me. AP Physics C Mechanics Practice Test 6: Laws of Gravitation. Content Times: 0:22 Reading through part (c) 2:46 3 design ideas 5:00 Answering part (a) 5:28 Answering part (b) 7:23 Answering part (c) 8:29 A common mistake 9:58 Part (d) 10:33 …. For a correct physical explanation for the intercept that mentions the effect of the flexible rod Example: The intercept is the square of the period of oscillation of the flexible rod. Share This Timeline Close Modal. AP® Physics C: Electricity and Magnetism 2012 Free-Response Questions About the College Board The College Board is a mission-driven not-for-profit organization that connects students to college success and opportunity. AP Physics C Mechanics Free-Response Practice Test 4: Linear Momentum. 35 Questions | 45 Minutes | 50% of Exam Score. The Pentel mechanical pencils come in a variety of sizes and prices. A mechanical barrier in the immune system is a primary line of defense, which physically impedes the entry of foreign particles that may harm the body. AP Physics; Physics C: Mechanics, Physics C: Electricity and Magnetism Course Description. A response that references the torque due to the force on the axle changing, or any additional torques can earn a maximum of 2 points. Note: To simplify calculations, you may use g = 10 m. 2012 AP Physics C: Mechanics FRQ #2. Includes multiple choice and free response questions along with answers. Each test has 35 multiple choice questions and 3 free response questions. M's favorite internet Links for physics Mechanics Home multiple resources and information from the College Board Electricity. AP® Physics C: Mechanics Scoring Statistics 2023 Free-Response Questions Set 2. Walkthrough of the 2022 AP Physics C Mechanics Set 2 ProblemsLink to the released FRQs:https://secure-media. AP Physics C: Mechanics Session 6 – FRQ. Ttop represents the time the rocket reaches its maximum height. Thanks to extended warranty experts FindTheBestCarPrice. 2018 AP Physics C Mechanics FRQ 2 Video. 7:34 The Force of Static and Kinetic Friction. When working as a mechanic, it is inevitable that you will accrue a wide variety of tools. 2015 AP® PHYSICS C: MECHANICS FREE-RESPONSE QUESTIONS. AP Physics C: Mechanics Practice Test 16: Rotation I: Kinematics, Force, Work, and Energy. servsafe textbook pdf Analyzing Video Game Dynamics with Computation in Introductory Physics; Authentic Astronomical Research as Science Teacher Professional Development; Authentic Research to teach Computational Thinking; Computational Thinking in STEM Education. the 2012−13 AP Exam Instructions book. Express your answer in terms of m, h, k, b , v, and physical constants, as appropriate. Since they're typed live during lectures, there will likely be some errors. Asking your mechanic just one simple question. Hundreds of free multiple choice questions covering Mechanics and Electricity & Magnetism. I also discuss the scoring guidelines released with the practice ex. The 2010 AP Physics C: Mechanics. The questions cover topics such as conservation of …. Mechanical keyboards, or keyboards with full, individual switches under every key, have exploded in popularity recently, although the technology inside is as old as the keyboard it. Look at your exam packet and confirm that the exam title is “AP Physics C: Mechanics. This is the regularly scheduled date for the AP Physics C: Mechanics Exam. AP Physics C Mechanics Free-Response Practice Test 5: Rotational Motion. Advanced Placement; AP; Score Distributions; 2021 AP Exam Administration; scoring information; global score distributions; teacher resources; exam resources; exam information; ADA Created Date 10/5/2021 4:46:22 PM. For a smooth curve that begins with increasing x and is concave up for t 0. docx page 2 of 3 (c) Give a detailed account of the calculations of gravitational potential energy and translational kinetic energy both before and after the transformation, in terms of the quantities measured in part (b). After overseeing franchises like 'World of Warcraft' and 'Candy Crush,' Activision COO Daniel Alegre will try to lead Yuga Labs into gaming. AP® Physics C: Mechanics Exam. This test contains 10 AP physics c mechanics practice questions with detailed explanations, to be completed in 13 minutes. The bullet becomes embedded in the block, and simple harmonic oscillations result. In this video, we'll unpack a sample free-response question. B Student Answer Sheet for the Multiple-Choice Section. rotation, as shown in Figure 2. Auto mechanics that work for themselves or an employer can deduct the cost of work tools, certain clothing, protective gear and training expenses. Learn about the loop stitch, the chain stitch and the lock stitch and how stitch mechanisms in sewing m. A ring of mass M, radius R, and rotational inertia MR is initially sliding on a frictionless surface at constant velocity uo to the right, as shown. 0040 Lecture Notes - Mechanics FRQ #1 Solutions - AP Physics C 1998 Released Exam. Electricity & Magnetism 2012 Exam. attached to the end of a string. Download scientific diagram | 1992 AP Physics Mechanics C Free Response Problem 2. x hamexter Support your answer using features of the graph. 67 10 kg pm - =¥ Electron charge magnitude, 19 1. We have another bonus tutorial for you, again on AP Physics C: Mechanics. 25% of students earned 12–15 points out …. The AP Physics C Exams are college-level exams administered every year in May upon the completion of an Advanced Placement Physics C course taken at your high school. If you're looking for help in AP Physics 1, check out a new course I've put together here I'm going to put together my own solutions for the 2021 AP Physics 1, AP Physics 2, AP Physics C, AP Calculus AB, AP Calculus BC, and AP Statistics Free Response questions here, after the questions are released. field, potential - ring and part of ring. When the disks are combined together, then final angular momentum can be found by the following equation. (d) Calculate the time between the instant block 2 leaves the table and the instant it first contacts the floor. It comprises two sections: one section of multiple-choice questions and one section of free-response questions. Part (b) uses Newton's second law to create the appropriate differential equation for the motion of the block. Charge 1 is at the point (0, a), and Charge 2 is at the point (0, -2a). (a) Using integral calculus, derive the rotational inertia for the rod around its end to show that it is ML 2 3. Questions 2 and 3 are long free-response questions that require about 25 minutes each to answer and are worth 12 points each. The solutions contain the most common method of solving the free-response questions and the allocation of points for …. Section II is worth 50 percent of your grade on the AP Physics C Exam. AP Physics C: Mechanics 2001 Scoring Guidelines. time t can be written in the form ( ) =. All the content in the current AP® Physics C: Mechanics Course and Exam Description will be covered in this course. Our expert authors also provide an exemplary response for …. 1993 ap physics c e and m free response. 2022 College Board AP® Physics C: Mechanics 2022 Scoring Guidelines. Founded in 1900, the College Board was created to expand access to higher education. kobalt 8 gallon air compressor parts diagram The speed in m/s of the car-object system after the collision is given as a function of time t in seconds by the expression. 1 kg) ball of clay is thrown at the 2-kilogram block. AP-C Independent Unit: Momentum and Impulse. Visual Representations: Analyze and/or use …. Point A is at height H above the level of points B and C. AP Physics C: Mechanics100% (5) 5. Walkthrough of the 2019 AP Physics C Mechanics Set 1 FRQ #3 Join My Discord Study Server: https://discord. AP Physics 2: Algebra-Based Course and Exam Description. Ideally, do these five (5) practice problems by Friday, April 24 so we can discuss them during Office Hours. , which is initially at rest at the edge of a table of height 2. must be sought from the Advanced Placement Program®. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket. Teaching Physics and Astronomy with Jupyter Notebook and Google Colab; CSTAR; CT in Science Attitude. by Randall Knight Objectives: Mechanics, Electricity & Magnetism Astonomy and Physics Tutorials Mr. The PDF file contains the questions, scoring guidelines, and sample responses for both the multiple-choice and free-response sections. However, AP exam pass rates are not a sure-fire measure of course difficulty. Could anyone please suggest some resources, like videos, for help/walkthroughs with FRQs? Thank you!. Students taking the AP Physics C: Mechanics exam should have a strong mastery of linear motion and two-dimensional motion, as well as the applications of Newton’s laws …. AP® PHYSICS C: MECHANICS 2019 SCORING GUIDELINES Question 2 (continued) (e) LO CHA-1. 1 Number of Students 54,862 - 3 or Higher / % 43,559 79. AP ® Physics C: Mechanics 2010 Free-Response Questions The College Board. 7:02 Gravitational Potential Energy. A block of mass 3 and initial speed 0 is moving to the left as shown. In this video, I walk through and explain the solution to the AP Physics C: E&M 1985 Free-Response Question #1, showing you how to correctly solve each part. The students change the number of filters in. 8 or 10 m 2 s and where substitution and rounding took place. (22:40) Mechanics Free Response Question #2 Solutions. One point was earned for correctly drawing and labeling the normal, fan, and weight forces on the horizontal track.