Pre-AP Physics Exam 7 Numbers 1-5
.
- 1.
What is a measure of the ability of a force to rotate or accelerate an object around an axis?
- A.
A. centripetal force
- B.
B. lever arm
- C.
C. axis of rotation
- D.
D. torque
Correct Answer
D. D. torque -
- 2.
Which of the following statements is correct?
- A.
A. The closer the force is to the axis of rotation, the less torque is produced.
- B.
B. The closer the force is to the axis of rotation, the easier it is to rotate the object.
- C.
C. The farther the force is from the axis of rotation, the harder it is to rotate the object.
- D.
D. The farther the force is from the axis of rotation, the less torque is produced.
Correct Answer
A. A. The closer the force is to the axis of rotation, the less torque is produced. -
- 3.
Where should you push on a door to apply the most torque when opening the door?
- A.
A. close to the top of the door
- B.
B. close to the bottom of the door
- C.
C. close to the hinges of the door
- D.
D. far from the hinges of the door
Correct Answer
D. D. far from the hinges of the door -
- 4.
Torque is defined as
- A.
A. Mass x velocity
- B.
B. Force x time
- C.
C. Force x lever arm
- D.
D. Mass x acceleration
Correct Answer
C. C. Force x lever arm -
- 5.
Suppose you try loosening a nut with a wrench, and the nut does not give at all. To loosen the nut you could:
- A.
A. Extend the lever arm by putting a pipe over the free end of the wrench
- B.
B. Exert a larger force
- C.
C. Have a friend help
- D.
D. make sure that the force is perpendicular to the lever arm
- E.
E. All of these
Correct Answer
E. E. All of these -
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Mar 14, 2022Quiz Edited by
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Apr 03, 2015Quiz Created by
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