AP (Advanced Placement) Physics(B-C): Questions 101 - 104 of 920

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Question number: 101

» Gravitation and Circular Motion

MCQ▾

Question

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 number: 102

» Gravitation and Circular Motion

MCQ▾

Question

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.

All of the above

Question number: 103

» Gravitation and Circular Motion

MCQ▾

Question

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.

Question does not provide sufficient data or is vague

Question number: 104

» Gravitation and Circular Motion

MCQ▾

Question

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.

inertia

b.

the normal force of the road

c.

the friction force of the road

d.

the gravitational force of Earth

e.

All of the above

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