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Force, Friction and Motion Quest Review

Total questions: 66

Worksheet time: 3hrs 50mins

Name
Class
Date
1.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
2.
The amount of friction depends on the weight of the objects pressing together.
a)
True
b)
False
3.
What type of friction is not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
4.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
5.
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
6.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
7.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
d)
less friction doesn't affect speed
8.

without friction, an object in motion would never stop

a)

true

b)

false

9.

The weight of an object varies with the:

a)

pull of gravity

b)

dimensions of the object

c)

volume of the object

10.

What is rolling friction?

a)

friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object rubs against another surface

d)

friction of something going through any type of liquid or air

11.

What is fluid friction?

a)

friction is friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object slides rubs against another surface

d)

friction of something going through any type of liquid or air

12.

What is sliding friction?

a)

friction between two surfaces that aren't moving relatively to each other

b)

friction between a rolling object and the surface that it is rolling on

c)

friction where an object rubs against another surface

d)

friction of something going through any type of liquid or air

13.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
14.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

15.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
16.

A ____________ is a push or a pull on an object.

a)

friction

b)

force

c)

magnet

d)

gravity

17.
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.
18.

Forces that have a net force of zero Newtons

a)

Balanced force

b)

Unbalanced force

19.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
20.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
21.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
22.
A force is a push or pull measured in what units? 
a)
Meters per second, squared
b)
Kilograms 
c)
Newtons 
23.
When the vectors (arrows) point in the same direction what function do you use? 
a)
Dividing 
b)
Multiplying 
c)
Subtracting 
d)
Adding 
24.

When the vectors (arrows) point away what function do you use?

a)

Dividing

b)

Multiplying

c)

Subtracting

d)

Adding

25.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
26.
Which direction will the object move?
a)
Up
b)
Down
c)
Right
d)
Left
27.
If a force causes an object to move, it's considered a(n) __________________ force.
a)
Balanced
b)
Unbalanced
c)
Massive
d)
Strong
28.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
29.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
30.

If an object is pushed with a force of 20N and moves with an acceleration of 2.0 m/s^2, what is the object's mass?

a)

10 kg

b)

40 kg

c)

20 kg

d)

0.1 kg

31.

If an object with a mass of 30 kg is moving with an acceleration of 4 m/s^2 what was the force used to push the object.

a)

7.5 N

b)

0.13 N

c)

120 N

d)

34 N

32.

Calculate the net force.

a)

0 N

b)

5 N

c)

25 N

d)

15 N

33.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

34.

When the teacher rearranges the desks in the classroom, she must apply ____________ to push and pull the desks around.

a)

acceleration

b)

force

c)

weight

d)

magnets

35.

Which law of motion says that you must push or pull objects harder if they have more mass?

a)

1st

b)

2nd

c)

3rd

d)

4th

36.

Walking down the hall and speeding up when you turn and go down the stairs is an example of ____________.

a)

acceleration

b)

weight

c)

gravity

d)

friction

37.

Letting go of a balloon full of air is demonstrating Newton's ______ _______ ________ _________ because the air comes out of the back and the balloon moves forward.

a)

1st law of motion

b)

2nd law of motion

c)

3rd law of motion

d)

13th law of motion

38.

What law is best described by inertia?

a)

1st

b)

2nd

c)

3rd

d)

law of conservation of mass

39.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia (1st law)

b)

The Law of Acceleration (2nd law)

c)

The Law of Conservation of Momentum

d)

Action Reaction Law (3rd law)

40.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Force

d)

Kilograms

41.

What is Newton's First Law

a)

F=ma

b)

Every action has an equal and opposite reaction

c)

An object at rest stays at rest, an object in motion stays in motion.

d)

Friction

42.

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

43.

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

44.

8 N to the left , and 4 N to the right. Find the net force. Is this balanced

a)

12 N Right No

b)

4 N Left No

c)

12 N Right Yes

d)

4 N Left Yes

45.

Which one of Newton's laws is shown

a)

3rd law

b)

2nd law

c)

1st law

46.

What does this picture represent

a)

Force,magnetism,acceleration

b)

Force, money, Apples

c)

Force, Mass, Acceleration

d)

Funny, monkeys, Arrive

47.

Which one of Newton's laws are displayed

a)

2nd law

b)

1st law

c)

3rd law

48.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

49.

This is Newton's 3rd law

a)

True

b)

False

50.

This is Newton's 2nd law

a)

True

b)

False

51.

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

a)

2nd law

b)

1st law

c)

3rd law

52.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

a)

3rd law

b)

1st law

c)

2nd law

53.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

54.

When there is a change in motion?

a)

When forces are balanced

b)

When the forces are unbalanced

c)

Whe forces are equal

d)

Never

55.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
56.

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

57.

Leanna decided to rearrange her bedroom by moving her dresser to the opposite wall. She tried pushing it, but found that the dresser would not move. What force was Leanne NOT able to overcome?

a)

normal force

b)

gravitational force

c)

tension force

d)

frictional force

58.

Circuit "A" is broken, because:

a)

the switch is open

b)

the switch is closed

c)

the switch is black

d)

the switch is not there

59.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
60.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
61.
A material in which electrons are not able to move easily 
a)
Circuit 
b)
Insulator 
c)
Resistance 
d)
Conductor
62.
The flow/movement of electric charges 
a)
Voltage
b)
Resistance 
c)
Current 
d)
Circuit 
63.
What happens when two bar magnets repel each other?
a)
The poles of the magnets pull toward each other.
b)
The poles of the magnets push away from each other.
c)
The centers of the magnets pull toward each other.
d)
The centers o the magnets push away from each other.
64.
What causes electricity?
a)
moving neutrons
b)
moving protons
c)
moving atoms
d)
moving electrons
65.
Any attraction or repulsion between magnets is called...
a)
Electric Resistance
b)
Electric Current
c)
Magnetic Force
d)
Voltage
66.
What happens when two north poles of a magnet are placed together?
a)
they repel
b)
they attract
c)
they cancel each other out
d)
the strength of the magnet is doubled

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