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Force Interaction Test Review

Total questions: 27

Worksheet time: 16mins

Name
Class
Date
1.

Look at the Position vs Time graph and answer the question: The net force on this object is...

a)

always positive

b)

always zero

c)

starting at zero and increasing

d)

always negative

2.

Look at the Position vs Time graph and answer the question: The net force on this object is...

a)

always positive

b)

always zero

c)

starting at zero and increasing

d)

always negative

3.

The object in this force diagram is...

a)

Not moving

b)

moving at a constant velocity

c)

speeding up

d)

Either not moving or moving at a constant velocity

4.

A hiker pushed on a large rock, but it did not move. He pushed 300 N to the left. In what direction does he feel a force form the rock?

a)

Down

b)

UP

c)

Left

d)

Right

5.

A hiker pushed on a large rock, but it did not move. He pushed 300 N to the left. How much force does he feel from the rock?

a)

Less than 300

b)

300

c)

More then 300

6.

The forces on this object must be ...

a)

balanced

b)

unbalanced

c)

not enough information

7.

The forces on this object must be ...

a)

balanced

b)

unbalanced

c)

not enough information

8.

During which of these time periods are the forces on this object balanced?

a)

B

b)

B and D

c)

A, B, and D

d)

All of them

9.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

a)

No forces are missing

b)

The normal force from the table pushing the cup up.

c)

The normal force from the table pushing the cup down.

d)

The friction force from the table pushing the cup left and right.

10.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

11.

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

a)

None

b)

Gravity

c)

Gravity and Normal

d)

Gravity, Normal, and Friction

e)

Gravity, Normal, Friction, and Applied

12.

The hockey puck is moving at a velocity of 20 m/s. If the forces on the puck are in equilibrium, what will the puck's velocity be 2 seconds later?

a)

0 m/s

b)

2 m/s

c)

10 m/s

d)

20 m/s

13.

The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...

a)

up

b)

down

c)

right

d)

left

14.

A box is moving to the right. After giving a moving box a push, the boxes' kinetic Energy doubled. What do we know about the forces on the box.

a)

The forces were balanced

b)

The net force is to the right

c)

The net force is to the left

15.

Mary drover her car through some mud. When she got into the mud, she pressed the gas so that she would not slow down in the mud. If the momentum of her car did not change, what do we know about the forces on her car while in the mud.

a)

They were balanced

b)

They were unbalanced

c)

There were no forces

16.

The forces on this chandelier are...

a)

Gravity

b)

Gravity and Normal

c)

Gravity and Tension

d)

Gravity, Tension, Friction, and Applied

17.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the

a)

force of gravity

b)

normal force

c)

friction force

d)

applied force

18.

A man pushes a box across the floor at a constant velocity. There is a force on the box from the floor pushing the box up. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

19.

A man pushes a box across the floor at a constant velocity. There is a force on the box resisting its motion. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

20.

A man pushes a box across the floor at a constant velocity. There is a force from the man pushing on the box. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

21.

The object starts at the red dot. The object has...

a)

Balanced Forces

b)

Unbalanced Forces

22.

At point A the forces on this object are...

a)

Balanced

b)

Unbalanced

23.

At point B the forces on this object are...

a)

Balanced

b)

Unbalanced

24.

At point C the forces on this object are...

a)

Balanced

b)

Unbalanced

25.

Between 0 and 3 seconds, the forces are...

a)

Balanced

b)

Unbalanced

26.

The bowling ball hits a pin. What is the force pair?

a)

The pin pushing on the bowling ball

b)

The bowling ball pushing on the pin

c)

Gravity from the earth to the bowling ball

d)

Gravity from the pin to the earth

27.

A Cat jumps up and pulls on a string. The cat pulls down on the string with 40 N of force. How much force does the string pull the cat with?

a)

40 N

b)

less than 40 N

c)

more than 40 N