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Force Friction and Newtons Laws

Total questions: 39

Worksheet time: 25mins

Name
Class
Date
1.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

2.

When an unbalanced force acts on an object, the force ______________________.

a)

changes the motion of the object

b)

is cancelled by another force

c)

does not change the motion of an object

d)

is equal to the weight of the object

3.

The resistance of an object to any change in its motion is called ______________________.

a)

inertia

b)

friction

c)

gravity

d)

weight

4.

According to Newton’s second law of motion, force is equal to mass times ______________________.

a)

inertia

b)

weight

c)

acceleration

d)

direction

5.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
6.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

7.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

8.

The picture is an example of Newton's...

a)

1st Law

b)

2nd Law

c)

3rd Law

9.

Acceleration is due to a force put on an objects mass.

a)

1st Law

b)

2nd Law

c)

3rd Law

10.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
11.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
12.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
13.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
14.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
15.
The force of attraction between all matter.
a)
inertia
b)
friction
c)
net force
d)
gravity
16.
A Newton is a unit of...
a)
force
b)
inertia
c)
acceleration
d)
velocity
17.
When all the forces on an object are equal and opposite, & the net force is zero, that's...
a)
balanced forces
b)
unbalanced forces
c)
terminal velocity
d)
reaction forces
18.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
19.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
20.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
21.
A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is it's force?
a)
50 Newtons
b)
5 Newtons
c)
20 Newtons
d)
9.5 Newtons
22.
Gravity is increased with...
a)
greater mass & shorter distance
b)
greater mass & farther distance
c)
lower mass & shorter distance
d)
lower mass & farther distance
23.

What is a force?

a)

Something a Jedi most use

b)

A push or a pull

c)

Air Resistance

d)

Terminal Velocity

24.

The 3 main types of friction are

a)

Terminal velocity, ice, sand paper

b)

Friction and force

c)

Rolling, Sliding, Air Resistance

d)

Good, Bad, Air Resistance

25.

If an object is 10N, how much force do we need to make it move

a)

9N

b)

6N

c)

11N or more

d)

10N

26.

If I wanted to increase friction on ice, I would add

a)

water or snow

b)

Sand or Salt

c)

Roller skates

d)

Snowboard

27.

What is air resistance

a)

Some thing that cyclists hate

b)

Force that acts on everything in the universe

c)

Force that opposes the movement of an object in the air

d)

a push or a pull

28.

When the force of air resistance pushing up on an object and the pull of gravity pulling down on an object are equal the object has reached it's

a)

Celebration

b)

Spring Scale

c)

Air Resistance

d)

Terminal Velocity

29.
When you type on the keys of your Chromebook you are using a
a)
pull
b)
push
c)
gravity
d)
friction
30.
Why do air planes and race cars have sleek shapes?
a)
to reduce friction from air resistance
b)
to increase air resistance
c)
to look more appealing than cats
d)
so people will buy them
31.

What type of friction is shown?

a)

Fluid Friction

b)

Rolling Friction

c)

Sliding Friction

d)

Static Friction

32.

What type of friction is shown?

a)

Sliding Friction

b)

Rolling Friction

c)

Static Friction

d)

Fluid Friction

e)

Rolling and Fluid Friction

33.

What type of Friction is shown?

a)

Rolling Friction

b)

Static Friction

c)

Sliding Friction

d)

Sliding and Fluid Friction

e)

Fluid Friction

34.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
35.
What is the net force?
a)
30 N 
b)
25 N 
c)
5 N 
d)
55 N 
36.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
37.
Forces that have a net force of zero 
a)
Balanced force
b)
Unbalanced force
38.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
39.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces

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