# AP (Advanced Placement) Physics(B-C): Questions 5 - 8 of 921

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## Question number: 5

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.

greater when the object is at the bottom of its path

c.

kept constant

d.

greater when the object is at the top of its path

e.

Question does not provide sufficient data or is vague

## Question number: 6

MCQ▾

### Question

An object traveling in a circle with constant speed has:

### Choices

Choice (5) Response

a.

b.

c.

A constant velocity

d.

A constant tangential acceleration

e.

All of the above

## Question number: 7

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.

The same as before

b.

Twice as great as before

c.

Half as much as before

d.

One fourth as much as before

e.

Question does not provide sufficient data or is vague

## Question number: 8

MCQ▾

### Question

Two particles, each carrying a net charge of , are placed on the axis at and , as shown in the figure. What is the electric field due to the two charges, at at point P that is located at position ?

### Choices

Choice (5) Response

a.

b.

c.

d.

e.

All of the above