Torque and Equilibrium [AP (Advanced Placement) Physics(B-C)]: Questions 1 - 3 of 58

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Question 1

Torque and Equilibrium

Question

MCQ▾

In which of the following situations the net force on the object must be zero?

Choices

Choice (5)Response

a.

A box is sliding down a frictionless ramp after being released at the top of the ramp.

b.

A satellite is moving at constant speed in a circular orbit.

c.

A box is sliding at constant speed across a level surface.

d.

All of the above

e.

None of the above

Question 2

Torque and Equilibrium

Question

MCQ▾

A force of is applied to a wheel, as shown in the illustration. The radius of the wheel is , and the radius of the axle is . For the wheel to rotate at constant speed, determine the magnitude and direction of the friction torque exerted on the axle.

Force is Applied on Wheel

Choices

Choice (5)Response

a.

Counterclockwise

b.

Counterclockwise

c.

Clockwise

d.

Clockwise

e.

Question does not provide sufficient data or is vague

Question 3

Torque and Equilibrium

Question

MCQ▾

In which of the following situations the net force on the object is not zero?

Choices

Choice (5)Response

a.

An object is freely fallen from the top of a building.

b.

Two identical objects are at each end of seesaw.

c.

A block is moving with constant speed on horizontal surface.

d.

A frictionless pulley rotate with uniform angular speed.

e.

Question does not provide sufficient data or is vague

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