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AP Physics 1

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Unit 2

2.8 Multiple Choice Questions

3 min read•december 4, 2021

AP Physics 1 🎡

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Multiple Choice Practice for Dynamics

Welcome to Unit 2 AP Physics 1 Multiple Choice Questions! Grab some paper and a pencil 📄 to record your answers as you go. You can see how you did on the Unit 2 Practice Questions Answers and Review sheet once you're done. Don't worry, we have tons of resources available if you get stumped 😕 on a question. And if solo study is not your thing, join a group in Hours!

Not ready to take a quiz yet? Take a look at the Intro to Unit 2.

Image courtesy of Pixabay

Facts about the test: The AP Physics 1 exam has 50 multiple choice questions (45 single-select and 5 multiple-select) and you will be given 90 minutes to complete the section. That means it should take you around 15 minutes to complete 8 questions.

The following questions were not written by College Board and, although they cover information outlined in the AP Physics 1 Course and Exam Description, the formatting on the exam may be different.

1. A 50.0 N box is at rest on a horizontal surface. The coefficient of static friction between the box and the surface is 0.50, and the coefficient of kinetic friction is 0.40. A horizontal 20.0 N force is then exerted on the box. The magnitude of the acceleration of the box is most nearly

A. 0 m/s/s

B. 1 m/s/s

C. 2 m/s/s

D.4 m/s/s

2. The boxes are released from rest, assuming friction is negligible what is the acceleration of the 2kg block?

A. 0 m/s/s

B. 3.3 m/s/s

C. 5 m/s/s

D. 10 m/s/s

3. If the boxes are held in equilibrium, what is the minimum coefficient of static friction between the 4.0kg block and the tabletop?

A. 0.25

B. 0.5

C. 0.75

D. 1

4. Each of these graphs show the motion of an object traveling in a straight line.

Which of these graphs shows an object in equilibrium?

A. I

B. II

C. III

D. I and II

5. Each of these graphs show the motion of an object traveling in a straight line.

Which of these graphs shows an object with a non-zero net force?

A. I

B. II

C. III

D. I and II

6. The weight of an 10kg box is approximately

A. 1N

B. 10N

C. 100N

D. 1000N

7. What is the acceleration of this object?

A. 0 m/s/s

B. 1 m/s/s

C. 2 m/s/s

D. 3 m/s/s

8. What is the magnitude of the normal force acting on the box?

A. 0N

B. 10kg

C. 100N

D. Can't be determined

A. 30N

B. 50N

C. 100N

D. 150N

10.

A. 0.5 m/s/s

B. 1 m/s/s

C. 5 m/s/s

D. 10 m/s/s

11.

A. 0N

B. 50N

C. 87N

D. 100N

12. A person stands on a scale in an elevator. If the scale reads 600 N when that person is riding upward at a constant velocity of 10 m/s, what is the scale reading when the elevator is at rest?

A. 200N

B. 400N

C. 600N

D. 800N

13. A student records the following velocity vs time data watching a 0.2kg block slide across a rough horizontal surface.

What is the magnitude of the frictional force acting on the block?

A. 0.08N

B. 0.16N

C. 0.799N

D. 2N

14. A simple Atwood machine is created by hanging two blocks over a fixed, massless pulley. If the blocks are released, what is the acceleration of the 5kg block?

A. 1.67 m/s/s

B. 2.86 m/s/s

C. 4 m/s/s

D. 14 m/s/s

15. A cart (m1 = 2kg) is setup so it slides across the tabletop. It’s attached to a hanging mass (m2 = 10kg) and released from rest. The coefficient of kinetic friction between the cart and the tabletop is 0.5. What is the acceleration of the cart?