AP C Newton's Laws of Motion Review
Authored by Kevin Bodjanac
Physics
10th - 12th Grade
NGSS covered
Used 65+ times
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This quiz focuses on Newton's Laws of Motion within the context of Advanced Placement Physics C: Mechanics, targeting students in grades 11-12 who are studying calculus-based physics. The problems require students to apply Newton's second law in complex, multi-body systems including circular motion, inclined planes with friction, Atwood machines, and static equilibrium scenarios. Students must demonstrate mastery of vector analysis, free-body diagrams, and the mathematical relationships between force, mass, and acceleration in two-dimensional systems. The quiz assesses advanced problem-solving skills including centripetal acceleration calculations, friction force analysis on inclined surfaces, tension forces in pulley systems, and static friction limits in stacked block configurations. Students need strong foundational knowledge of trigonometry, kinematics equations, and the ability to decompose forces into components while simultaneously considering multiple constraint conditions in interconnected mechanical systems. Created by Kevin Bodjanac, a Physics teacher in the US who teaches grades 10-12. This comprehensive review quiz serves as an excellent formative assessment tool for students preparing for the AP Physics C: Mechanics examination, particularly effective as a cumulative review session before unit tests or as targeted practice for students struggling with multi-step force analysis problems. The quiz works exceptionally well as a timed classroom activity where students can work in pairs to discuss problem-solving strategies, or as individual homework to reinforce concepts covered during instruction. Teachers can use this as a diagnostic tool to identify specific areas where students need additional support, whether in mathematical manipulation, conceptual understanding of Newton's laws, or application of physics principles to real-world scenarios. The problems align with AP Physics C Learning Objectives 3.A.3.1, 3.A.3.3, and 3.A.4.3, requiring students to analyze forces in multiple dimensions and predict motion in systems where forces change over time or position.
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7 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 1600kg car is traveling over a hill that has a radius of curvature of 25m. The car is slowing down as it goes over the hill. It slows down at a constant rate from a speed of 25m/s to a speed of 10m/s over a distance of 50m
ending at the top of the hill. The net acceleration of the car at the top of the hill is most nearly
4.0
5.3
6.6
9.3
Tags
NGSS.HS-PS2-1
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A skier is traveling down a slope that is inclined 30 ° above the horizontal. The coefficient of kinetic friction between the skier and the slope is 0.10. Which of the following best describes the acceleration of the skier?
0
4.0
9.0
10.0
Tags
NGSS.HS-PS2-1
NGSS.HS-PS2-4
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Blocks A and B have masses M and 2M, respectively. The blocks are connected using a light string and an ideal pulley in the Atwood machine shown. When the blocks are released from rest, block B accelerates downward with acceleration a. Block B is replaced with a block that has twice the mass. The blocks are again released from rest. Which of the following is a correct expression for the new acceleration of the blocks?
1/3a
5/9a
2a
9/5a
Tags
NGSS.HS-PS2-1
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A block of mass m is accelerated across a rough surface by a force of magnitude F that is exerted at an angle 𝜙 with the horizontal, as shown above. The frictional force on the block exerted by the surface has magnitude f.
What is the acceleration of the block?
F/m
F cos(theta) / m
(F cos(theta) - f) / m
(F sin(theta) - mg) /m
Tags
NGSS.HS-PS2-1
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A sphere on the end of a string is released from rest at point X and swings through point Y to point Z, as shown in the figure above. Point Y is the lowest point for the sphere as it swings. Air resistance is negligible
I
II
III
IV
Tags
NGSS.HS-PS2-1
NGSS.HS-PS2-4
NGSS.HS-PS2-2
NGSS.HS-PS3-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A block of mass mB is being pulled up a ramp by a hanging object of mass mH, as shown in the figure above. The blocks are attached to each other by a light string that passes over a pulley of negligible mass and friction. Both the block and the hanging object are moving at constant speed, and the angle of the ramp with the horizontal is θ . The coefficient of kinetic friction between the block and the ramp is μκ. It is determined that mB = 2.0 kg, θ = 30° , and μk = 0.10. While the block is moving up the ramp and the hanging object is moving downward, the string is suddenly cut. Calculate the magnitude of the acceleration of the block immediately after the string is cut.
5.75
6.23
8.15
4.58
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Block 1 of mass m1 is placed on block 2 of mass m2, which is then placed on a table. String connecting block 2 to a hanging mass M passes over a pulley attached to one end of the table, as shown above. The mass and friction of the pulley are negligible. The coefficients of friction between blocks 1 and 2 and between block 2 and the tabletop are nonzero and are given in the following table. Determine the largest value of M for which the blocks can remain at rest.
M = µs2 (m1 + m2)g
M = (m1 + m2)a + f2
M = µs2 (m1 + m2)
Tags
NGSS.HS-PS2-1
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