# Gravitation and Circular Motion (AP (Advanced Placement) Physics(B-C)): Questions 1 - 4 of 73

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## Question number: 1

» Gravitation and Circular Motion

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MCQ▾

### Question

An object is whirled in a vertical circular path by an attached string. For the speed of the object to remain constant at every point, the tension in the string must be:

### Choices

Choice (5) Response

a.

zero at the top of its path

b.

kept constant

c.

greater when the object is at the bottom of its path

d.

greater when the object is at the top of its path

e.

All of the above

## Question number: 2

» Gravitation and Circular Motion

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MCQ▾

### Question

An object traveling in a circle with constant speed has:

### Choices

Choice (5) Response

a.

A constant tangential acceleration

b.

A constant velocity

c.

d.

e.

All of the above

## Question number: 3

» Gravitation and Circular Motion

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MCQ▾

### Question

The radius of the circular path of an object, is doubled, and its speed to remain the same. The centripetal force on the object must be:

### Choices

Choice (5) Response

a.

One fourth as much as before

b.

Twice as great as before

c.

The same as before

d.

Half as much as before

e.

None of the above

## Question number: 4

» Gravitation and Circular Motion

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MCQ▾

### Question

Three objects are positioned along a line. Each has a mass of and an x coordinate as shown in the illustration. Which of the following is true for net gravitational force on one due to the other two objects?

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above