# AP (Advanced Placement) Physics(B-C): Questions 1 - 4 of 921

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## Question number: 1

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MCQ▾

### Question

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 number: 2

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MCQ▾

### Question

If a mass is oscillating on a spring at halfway between its amplitude position and its equilibrium position, then what percentage of its potential energy at half way of potential energy at amplitude position?

### Choices

Choice (5)Response

a.

b.

c.

d.

e.

All of the above

## Question number: 3

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MCQ▾

### Question

A block slides across a flat roof that is from the ground and leaves from the edge of flat roof moving horizontally at a speed of . What are the horizontal and vertical components of the block’s velocity when it hits the ground?

### Choices

Choice (5)Response

a.

and

b.

and

c.

and

d.

and

e.

None of the above

## Question number: 4

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MCQ▾

### Question

A truck towing a trailer accelerates on a level road. The amount of force that the truck exerts on the trailer is:

### Choices

Choice (5)Response

a.

equal to the amount of force that the trailer exerts on the road

b.

equal to the amount of force that the trailer exerts on the truck

c.

greater than the amount of force that the trailer exerts on the truck

d.

equal to the amount of force that the road exerts on the trailer

e.

All of the above

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