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Force & Motion

Total questions: 50

Worksheet time: 37mins

Name
Class
Date
1.

Force

a)

push or pull

b)

mythical star wars powers

c)

can only happen with contact

d)

only gravity

2.

Force that affects the weight of an object

a)

magnetism

b)

friction

c)

gravity

d)

air resistance

3.

What force would prevent you from pushing a heavy box across the floor?

a)

applied force

b)

friction

c)

normal force

d)

air resistance

4.

What force is your chair acting upon you right now so you don't fall to the floor?

a)

applied

b)

normal

c)

gravity

d)

friction

5.

Force created between two touching forces is ______ force

a)

gravitational

b)

normal

c)

applied

d)

friction

6.

Force of attraction (pulling) between two objects. (Every object experiences this on earth)

a)

gravitational

b)

normal

c)

applied

d)

friction

7.

Force that resists motion between two surfaces.

a)

gravitational

b)

normal

c)

applied

d)

friction

8.

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

a)

frictional force

b)

gravitational force

c)

applied force

d)

normal force

9.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
10.
Friction acts in a direction __________ to the direction of the object’s motion.   
a)
Side By Side
b)
Parallel Directions
c)
 Opposite
d)
The Same Direction
11.

Every magnet has a:

a)

East and West pole

b)

North and South pole

c)

East and South pole

d)

North and West pole

e)

Chicago and Saint pole

12.

The support force exerted upon an object that is in contact with another stable object.

a)

Gravity

b)

Electrical Force

c)

Normal Force

13.

The repelling or attracting force between a magnet and a ferromagnetic material (like iron).

a)

Magnetic Force

b)

Electrical Force

c)

Gravity

14.

This type of force is when one object pushes or pulls on another object by touching it

a)

Applied

b)

gravity

c)

magnetic

d)

tension

15.
Magnets can be a useful tool. Look closely at the picture below which shows a magnet and various metal objects.
What will happen as the magnet moves closer to the metal objects?
 
a)
The magnet will attract the objects.
b)
The magnet will become heavier.
c)
The magnet will push the objects away
d)
Nothing will happen to the objects
16.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact? 
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
17.

The picture above shows a waterfall.


What is the primary force responsible for the motion of the water over the sloping ground, and how does this force affect the water?

a)

The force of air resistance, because it pushes the water downward

b)

The fore of friction, because it applies a downward pulling force on the water.

c)

The force of magnetism at the Earth's core, because it pushes the water downward.

d)

The force of gravity, because it applies a downward pulling force on the water along the sloping land.

18.

Brittany has a bar magnet. What will happen when she brings the north end of her magnet to the south end of her magnet?

a)

They will attract

b)

Nothing will happen

c)

They will repel

d)

Sparks will fly

19.

what is a force?

a)

a push or a pull

b)

change in displacement

c)

change in direction

20.

which of these is an effect of force?(tick mark the correct answers)

a)

force can start a motion

b)

force can stop a motion

c)

force can change the direction of motion

d)

force can change the shape of an object

e)

force can change the speed a moving object

21.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
22.

If two magnets come together what is it called?

a)

Repel

b)

Force

c)

Attract

d)

None of the Above

23.
Magnetic force between two magnets gets weaker the more ________________ between them.
a)
distance
b)
attraction
c)
metal
d)
lightsabers
24.

Ayden kicking a soccer ball is (a)   force?

25.

(a)   force is the one that stops things from falling through each other.

26.

If the net force is not 0, _____

a)

the forces are not balanced.

b)

the object changes what it is doing.

c)

the object changes its velocity.

d)

the object accelerates.

27.
a)
Balanced
b)
Unbalanced
28.
a)
Balanced
b)
Unbalanced
29.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
30.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
31.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
32.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
33.

With unbalanced forces, the object will move in the direction of the _______ force.

a)

equal

b)

smaller

c)

larger

34.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
35.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
36.
What is the net force in this diagram?
a)
8N right
b)
2 N right
c)
8N left
d)
2N left
37.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
38.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move in both directions. 
39.
How will this object move? 
a)
It won't move. 
b)
It will move to the right. 
c)
It will move to the left. 
d)
It will move up. 
40.
The force that acts on an object to stop its motion.
a)
Speed
b)
Friction
41.
The SI Unit of force is
a)
Pascal
b)
Meter/second
c)
Newton
d)
kg
42.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
43.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
44.
There is more friction between _________ surfaces.
a)
smooth
b)
slippery
c)
hard
d)
rough
45.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
46.
What is the net force of an object that is not moving?
a)
0N
b)
100N
c)
Upward force
47.

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

a)

Applied Force

b)

Normal Force

c)

Frictional Force

d)

Air Resistance

48.

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

a)

1

b)

2

c)

3

d)

4

49.

When the forces acting on an object are going in the OPPOSITE direction what do you do?

a)

ADD

b)

SUBTRACT

50.

When the forces that are acting on an object are going in the SAME direction what do you do?

a)

ADD

b)

SUBTRACT