AP (Advanced Placement) Physics(B-C): Questions 101 - 104 of 921

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Question 101

Question

MCQ▾

As a simple pendulum (an object that has mass and is attached to the end of a string) swings in a circular arc at an amplitude less than , the tension in the string must

Choices

Choice (5)Response

a.

be greatest when the object is at the bottom of its swing

b.

be least when the object is at the bottom of its swing

c.

remain constant

d.

be zero when the object reaches its maximum amplitude during the swing

e.

None of the above

Question 102

Question

MCQ▾

Binary stars and have masses of and , respectively. Ratio of the magnitude of the gravitational force of star exerts on star to the gravitational force of star exerts on star .

Choices

Choice (5)Response

a.

b.

c.

d.

e.

Question does not provide sufficient data or is vague

Question 103

Question

MCQ▾

An object moves around a circular path of radius with a constant speed , the centripetal force in this case exerted on an object is . Same object moves around a circular path of radius with speed , the centripetal force in this case exerted on object is . Then which of the following is true?

Choices

Choice (5)Response

a.

b.

c.

d.

e.

None of the above

Question 104

Question

MCQ▾

As an automobile turns a corner on a level road, the centripetal force necessary to keep the automobile in the turn is provided by:

Choices

Choice (5)Response

a.

the gravitational force of Earth

b.

the normal force of the road

c.

inertia

d.

the friction force of the road

e.

All of the above

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