Quiz about force diagrams

Question 1

What is the net force?

Accepted Answer

400 N Down

Answer

400 N Up

Answer

- 400 N Down

Answer

800 N Down

Question 2

Which way is the force  moving?

Accepted Answer

it's not , it is balanced or moving at a constant

Answer

to the right

Answer

to the bottom

Answer

up

Question 3

Which way is the object moving?

Accepted Answer

It is not or moving at a constant speed

Answer

moving to the right

Answer

moving to the left

Answer

going up

Question 4

Which is moving at a constant speed or not at all?

Accepted Answer

a

Answer

b

Answer

c

Answer

d

Question 5

What is the net force in this diagram?

Accepted Answer

2 N right

Answer

8N right

Answer

8N left

Answer

2N left

Question 6

What is the net force?

Accepted Answer

4000 N left

Answer

5000 N right

Answer

4000 N right

Answer

40 N left

Question 7

An airplane is flying at a constant speed of 500 mph. What can be said about the forces acting on the airplane?

Accepted Answer

Forces are balanced

Answer

Forces are unbalanced

Answer

There are no forces acting on the airplane

Answer

There is a net force acting on the airplane

Question 8

Name the missing force...

Accepted Answer

push

Answer

weight force

Answer

tension force

Answer

drag

Question 9

A leftward force is applied to a crate to push it across the floor at a constant speed. Which is the correct force diagram?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 10

How will this object move?

Accepted Answer

It won't move.

Answer

It will move to the right.

Answer

It will move to the left.

Answer

It will move in both directions.

Question 11

How will this object move?

Accepted Answer

It will move to the right.

Answer

It won't move.

Answer

It will move to the left.

Answer

It will move up.

Question 12

Which way is the box moving?

Accepted Answer

to the left

Answer

to the right

Answer

going up

Answer

going down

Question 13

A downward-moving skydiver who has just opened the parachute is slowing down. Which of the following pictures depict all the forces acting on the parachutist

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 14

Four forces act concurrently on a block on a horizontal surface as shown in the diagram.

As a result of these forces, the block

Accepted Answer

accelerates to the left

Answer

moves at constant speed to the right

Answer

moves at constant speed to the left

Answer

accelerates to the right

Question 15

The force that acts on an object to stop its motion.

Accepted Answer

Friction

Answer

Speed

Question 16

Which way is the box moving?

Accepted Answer

to the left

Answer

to the right

Answer

going up

Answer

going down

Question 17

Are forces balanced or unbalanced when a marble speeds up rolling down a ramp?

Accepted Answer

Unbalanced

Answer

Balanced

Question 18

Ted is trying to move a fridge through his house, he gets stuck on a carpet and even though he is pushing the fridge, it is not moving. What force is acting against him?

Accepted Answer

friction

Answer

gravity

Answer

air

Answer

mass

Question 19

The SI Unit of force is

Accepted Answer

Newton

Answer

Pascal

Answer

Meter/second

Answer

kg

Question 20

The combination of all the forces acting on an object is the...

Accepted Answer

net force

Answer

action force

Answer

reaction force

Answer

balance force

Question 21

Which of the following is an example of friction that is helpful?

Accepted Answer

All are examples that are helpful

Answer

Brakes used on a bike

Answer

Tires from a car on the road

Answer

Tread on the bottom of your shoes

Question 22

What force ultimately slows the roller coaster to a stop?

Accepted Answer

Friction

Answer

Applied

Answer

Normal

Answer

Magnetic

Question 23

Which of the following shows the direction of the friction force?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 24

How can friction be reduced?

Accepted Answer

all of the above are ways of reducing friction

Answer

reduce the force acting between the 2 surfaces

Answer

reduce the roughness of the 2 surfaces coming in contact

Answer

use wax, grease or oil

Question 25

An _______ force must act on an object for it to CHANGE it's motion

Accepted Answer

unbalanced

Answer

balanced

Answer

gravitational

Answer

electrical

Question 26

Which of the following shows the direction of the friction force?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 27

There is more friction between _________ surfaces.

Accepted Answer

rough

Answer

smooth

Answer

slippery

Answer

hard

Question 28

The force that pulls things toward earth.

Accepted Answer

Gravity

Answer

Speed

Question 29

Which one is balanced?

Accepted Answer

top

Answer

bottom

Answer

both

Question 30

If these boys are pulling with the same amount of force.  What will happen?

Accepted Answer

They will not move at all.

Answer

The boy in blue will win.

Answer

The boy in red will win.

Answer

Both will fall down.

Question 31

Name the missing force...

Accepted Answer

normal force

Answer

weight force

Answer

applied force

Answer

frictional force

Question 32

Name the missing force...

Accepted Answer

normal force

Answer

applied force

Answer

frictional force

Answer

tension force

Question 33

What is the net force of an object that is not moving?

Accepted Answer

0N

Answer

100N

Answer

Upward force

Question 34

Name the missing force....

Accepted Answer

normal force

Answer

weight force

Answer

frictional force

Answer

tension force

Question 35

A box is moving to the left up a ramp. Which way is the force of friction pointing?

Accepted Answer

down the ramp to the right

Answer

up the ramp to the left

Answer

Up at an angle

Answer

straight up

Question 36

What is the name of the force for the arrow going upwards in the picture.

Accepted Answer

normal force

Answer

applied force

Answer

tension force

Answer

buoyant force

Question 37

Why is it harder for the boy in Image B to get down the hill?

Accepted Answer

Friction

Answer

Motion

Answer

Work

Answer

Displacement

Question 38

Which force produces a change in motion?

Accepted Answer

unbalanced force

Answer

balanced force

Answer

gravitational force

Answer

frictional force

Question 39

What is a PUSH or PULL of an object?

Accepted Answer

Force

Answer

Motion

Answer

Friction

Answer

Gravity

Question 40

Any time the forces are unbalanced, an object will remain at rest. True or false?

Accepted Answer

false

Answer

true

Question 41

What does this graph represent?

Accepted Answer

Not moving

Answer

Constant speed

Answer

Acceleration

Question 42

What force opposes gravity when an object is on a surface?

Accepted Answer

Normal Force

Answer

Applied Force

Answer

Frictional Force

Answer

Air Resistance

Question 43

What force opposes applied force when an object is sliding across a surface?

Accepted Answer

Frictional Force

Answer

Applied Force

Answer

Normal Force

Answer

Air Resistance

Question 44

How many forces are on a couch being pushed across a living room floor?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 45

What force opposes the motion of two objects sliding past each other?

Accepted Answer

Frictional Force

Answer

Applied Force

Answer

Normal Force

Answer

Gravitational force

Question 46

Which freebody diagram best represents a desk being pushed across the classroom floor?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 47

Which freebody diagram best represents a bookbag resting on the classroom floor?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 48

What is the force that is opposite the force in the diagram?

Accepted Answer

Normal

Answer

Friction

Answer

Applied

Answer

Gravity

force diagrams

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