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force and motion

Total questions: 35

Worksheet time: 18mins

Name
Class
Date
1.

What is the net force?

a)

40 N left

b)

0 N Balalnced

c)

400 N right

d)

40 N right

2.
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. 
3.

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the net force and how what team would win?

a)

50N left.

b)

350N left.

c)

350N right.

d)

50N right.

4.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
5.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
6.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
7.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
8.

What is true about this image?

a)

It shows unbalance forces.

b)

It shows balanced forces.

c)

The people on the right are winning.

d)

The people on the left are winning.

9.

What is the net force?

a)

0 N balanced

b)

2000 N unbalanced

c)

0 N unbalanced right

d)

2000 N balanced

10.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
11.

a)

Balanced

b)

Unbalanced

12.

a)

Balanced

b)

Unbalanced

13.

a)

Balanced

b)

Unbalanced

14.
The unit for force is a called a: 
a)
Galileo
b)
Newton
c)
Aristotle
15.
When the net force is zero what type of force is acting on the objects? 
a)
balanced force
b)
unbalanced force
16.
Which is true from Newton's Third law of motion?
a)

For every action force there is a smaller reaction force in the opposite direction.

b)

For every action force there is an equal reaction force in the opposite direction.

c)

 Both 1 and 2

d)

None of the above

17.

Which of the following would it take the most force to move?

a)

a 3-pound ball

b)

a 5 pound ball

c)

a 15 pund ball

d)

a 25 pound ball

18.

Imagine you kick four balls with the same amount of force. Which one will have the greatest acceleration?

a)

a 3 pound ball

b)

a 5 pound ball

c)

a 15 pound ball

d)

a 25 pound ball

19.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
20.

When a person is skateboarding, their leg is pushing BACKWARD against the ground. In turn, the ground pushes __________ against their foot allowing them to skateboard.

a)

DOWN

b)

UP

c)

FORWARD

d)

BACKWARD

21.

When a jellyfish is swimming, their body is pushing DOWN against the water. In turn, the water pushes __________ against their body allowing them to swim.

a)

DOWN

b)

UP

c)

FORWARD

d)

BACKWARD

22.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
23.
Which law best explains why people remain in motion when a car crashes, if they are not wearing a seat belt?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
24.
Which law best explains why more force must be applied to the bowling ball to make it accelerate at the same rate as the tennis ball. 
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
25.
Based on Newton's Law of Force Pairs, what would be the reaction force, if the action force is 60 N to the right?
a)
60 N to the right
b)
60 N to the left
c)
30 N to the left
d)
9.8 N to the right
26.
Which one of Newton’s Laws of Motion best explains why the dishes do not move when the table cloth is removed?
a)
Newton's Law of Inertia
b)
Newton's Law of F=ma
c)
Newton's Law of Force Pairs
d)
Newton's Law of Biology
27.

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

28.

It is much more difficult to move a dresser full of clothes than an empty dresser.

a)

Newton's 1st Law of Motion

b)

Newton's 2nd Law of Motion

c)

Newton's 3rd Law of Motion

29.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
30.

Legend has it that when Newton saw an apple fall from a tree, he began to think about _____________________.

a)

the planets.

b)

the force that would later be called gravity.

c)

the best way to make apple pie.

d)

why apples are red.

31.

Isaac Newton was a _____________________.

a)

mathematician.

b)

astronomer.

c)

physicist.

d)

All of these

32.

In which direction does gravity pull objects?

a)

Down towards the centre of the Earth.

b)

Up away from the earth

c)

Towards the sun

d)

Around the earth

33.

1. What are forces measured in?

a)

Kilograms

b)

Newtons

c)

Grams

d)

Meters

34.

A force can____________.

a)

make an object move

b)

make a moving object stop moving

c)

slow an object down

d)

all of the above

35.

If the man pushes with an equal amount of force, which object will accelerate more?

a)

Car because it has more mass

b)

Lawnmower because it has less mass

c)

Car because it has less mass

d)

Lawnmower because it has more mass

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