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Worksheets

Forces

Total questions: 55

Worksheet time: 37mins

Name
Class
Date
1.

A force is ____.

a)

a push or pull that can cause movement

b)

a magnet

c)

when someone does not work

2.

A push is ____.

a)

a force to move something away

b)

a force to pull something towards you

c)

when a magnet attracts metals

3.

A falling apple, like in the picture, is an example of ... force.

a)

magnetism

b)

pulling

c)

gravity

4.

This is an example of ... force

a)

pull

b)

push

c)

gravity

5.

This is an example of what force?

a)

push

b)

pull

c)

magnetism

6.

This man is exercising. What force does he apply?

a)
Push
b)
Pull
c)

gravity

7.

What is the unit to MEASURE force?

a)

Kilogram

b)

Meter

c)

Pounds

d)

Newton

8.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
9.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
10.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
11.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
12.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
13.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
14.

When an object is moving, friction acts in the _______ direction as the motion.

a)

perpendicular

b)

same

c)

opposite

d)

precise

15.
What do we call the forwards force produced by an aeroplane's engine or propeller?
a)
thrust
b)
friction
c)
weight
d)
gravity
16.

What happens when two equal and opposite forces are applied to an object?

a)

The object moves in all directions

b)

The object starts moving, stops, changes direction, goes faster or goes slowlier

c)

The object doesn't move

d)

The object disappears

17.

If an object is at rest, then there are no forces acting upon the object.

a)

True

b)

False

18.

How many Laws of Motion did Isaac Newton Create?

a)

2

b)

4

c)

5

d)

3

19.

In Newton's first Law of Motion, an object at rest will ___________.

a)

defy gravity

b)

want to move

c)

remain at rest

d)

Go to the Moon!

20.

According to Newton's Second Law of Motion, an object in motion will _________.

a)

Stay in motion

b)

want to stop right away

c)

spontaneously combust

d)

Go to the Moon!

21.

In the equation f=ma, what does the "m" stand for

a)

acceleration

b)

matter

c)

mass

d)

force

22.

In the equation f=ma, "F" stands for _______.

a)

force

b)

mass

c)

velocity

d)

acceleration

23.

A soccer ball is sitting in the middle of a field. The ball will remain at rest until an outside force like a players foot or the wind acts upon it. Which of Newton's laws is represented by this?

a)

1st

b)

2nd

c)

3rd

24.

Think about pushing a shopping cart and a car. If you apply the same amount of force to both, the shopping cart will travel fast, but the car will hardly move. To move the car yo would need a larger force. Which of Newton's laws is being represented?

a)

1st

b)

2nd

c)

3rd

25.

Sally jumps on her trampoline. She exerts a force on the trampoline and the trampoline exerts an equal but opposite force back on Sally. This represents

a)

Law 1

b)

Law 3

c)

Law 2

26.

What Newtons law does this picture represent

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rdt law

d)

Newtons 4rth law

27.

There is a skateboard rolling and then Billy steps on it and it stops. What Law of motion is this?

a)

3rd

b)

2nd

c)

1st

28.

Which law explains that it would take more force to push the car than the lawnmower?

a)

1st

b)

2nd

c)

3rd

29.
True of False?
An object's inertia is effected by its mass.
a)
False
b)
True
30.
the tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
31.

Anything with ____________ also has a gravitational pull.

a)

mass

b)

size

c)

depth

d)

light

32.

Which of these can cause a moving object to change direction?

a)

inertia

b)

force

c)

mass

33.

The force that pulls things down to the surface of the Earth and keeps them from floating away into space.

a)

force

b)

gravity

c)

net force

d)

inertia

34.

The total of all forces acting on an object.

a)

force

b)

net force

c)

inertia

d)

gravity

35.

An objects resistance to any change in motion.

a)

gravity

b)

net force

c)

gravitational force

d)

inertia

36.

Forces that are exerted on an object which are equal in size but opposite in direction

a)

Unbalanced force

b)

Balanced force

37.

Applied forces on an object are unequal in size but are the same or opposite in direction

a)

Unbalanced force

b)

Balanced force

38.

A card sliding across a table at a constant speed

a)

Unbalanced force

b)

Balanced force

39.

A cat shoving a glass off a table

a)

Unbalanced force

b)

Balanced force

40.

As a result, the object the forces applied to stays at rest

a)

Unbalanced force

b)

Balanced force

41.

Motorcycles going at constant speed

a)

Unbalanced force

b)

Balanced force

42.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
43.

Which of the following is an example of an unbalanced force?

a)
b)
c)
d)
44.

Calculate the resultant force.

a)

40N, Left

b)

40N, Right

c)

0N, Balanced

d)

75N, Right

45.
The overall force acting on an object after all the forces are combined is called a 
a)
net force
b)
unbalanced force
c)
balanced force
46.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
47.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
48.

_______________ is the amount of matter in an object.

a)

Mass

b)

Weight

c)

Volume

d)

Force

49.

A boy applies a pushing force on a ball thrown into the air. What applies a pulling force on the ball at the same time?

a)

Gravity

b)

The height of the boy

c)

Friction

d)

The mass of the ball

50.

Which word describes a push or pull on an object?

a)

position

b)

speed

c)

mass

d)

force

51.

A fan is turned off in the living room. The fan slows down and comes to a rest as the force become ______________

a)

frictional

b)

unbalanced

c)

balanced

d)

restricted

52.

If two boys are pulling a rope from opposite directions with the same amount of force what will happen?

a)

The boy in blue will win

b)

The boy in green will win

c)

They will not move at all

d)

Both will fall down

53.

Balanced or unbalanced?

a)

Balanced

b)

Unbalanced

54.

what is balanced force

a)

Net force = zero

b)

net force= 1

c)

no change in motion

d)

slight change in motion

55.

Unbalanced Forces

a)

there is a net force acting on a object

b)

Change in motion

c)

no changed in motion

d)

no net force acting on a object