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Forces and motion unit review

Total questions: 44

Worksheet time: 39mins

Name
Class
Date
1.

Define Speed

a)

The rate something accelerates

b)

The rate something moves

c)

The amount of time it takes to move

d)

The amount of acceleration an object experiences

2.

Newtons first law

a)

The law of action/reaction

b)

The law of equal and opposite forces

c)

The law of accelerative proportionality

d)

The law of inertia

3.
What is a force?
a)
a push or pull
b)
speed or acceleration 
c)
potential or kinetic energy
d)
balanced or unbalanced force
4.
Force is measured in....
a)
Galileos 
b)
Newtons
c)
Di Vincis
d)
Einsteins 
5.
Inertia is....
a)
for every action, there is an equal and opposite reaction
b)
larger objects take more force to move 
c)
an object in motion tends to stay in motion unless acted on by an opposite force
d)
a push that acts in the opposite direction and it slows down.
6.
If these boys 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.
7.

If you push a tennis ball, a bowling ball, and a basketball with the same amount of force, which one will go farthest?

a)

bowling ball

b)

tennis ball

c)

basketball

8.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3 
d)
Cart 4
9.
Which graph shows an object not moving?
a)
A
b)
B
c)
C
d)
D
10.
Which graph shows an object moving at a constant rate?
a)
A
b)
B
c)
D
d)
E
11.
Which graph shows an object increasing speed?
a)
A
b)
B
c)
D
d)
E
12.
Which graph shows an object slowing down?
a)
A
b)
B
c)
C
d)
E
13.
Acceleration occurs when an object changes its speed or ______.
a)
direction
b)
force
c)
inertia
d)
mass
14.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
15.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
16.
The SI unit for acceleration is
a)
mph
b)
m/s
c)
m/s2
17.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
d)
law of conservation of mass
18.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
d)
speed 
19.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
20.
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
21.
The formula 
? = mass x acceleration
or 
? = m x a 
is used to find 
a)
Force
b)
Velocity
c)
Momentum
d)
Gravity
22.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
23.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
24.

Force always come in________

a)

waves

b)

triplets

c)

pairs

25.

When a small car pushes a big truck, the truck applies an equal and opposite force on the car.

a)

False

b)

True

26.
Free-falling objects on Earth in a vacuum fall at a rate of...
a)
98 m/s
b)
9.8 mm/s
c)
9.8 m/s/s
d)
9..8 m/s
27.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
28.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
29.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
30.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
31.
When two forces acting on an object are not equal in size.
a)
Balanced Force
b)
Friction
c)
Velocity
d)
Unbalanced Force
32.

You are pushing a box to the right with 5N, while your friend is pulling the box to the left with 15N.

What is the net force and which direction will the box move?

a)

20N to the left

b)

10N to the right

c)

10N to the left

d)

20N to the right

33.
Students are playing tug-of-war. If group B pulls the rope to the right with a force of 400 N and group A pulls the rope to the left with a force of 250 N, what will happen to the ribbon in the middle of the rope?
a)
The ribbon will move to the left and group A will win the tug-of-war.
b)
The ribbon will move to the left and group B will win the tug-of-war.
c)
The ribbon will move to the right and group B will win the tug-of-war.
d)
The ribbon will move to the right and group A will win the tug-of-war.
34.

A person pushes against a wall with 15N of force. The wall doesn't move. The wall exerts how much force on the student?

a)

15N

b)

greater than 15N

c)

less than 15N

d)

0N

35.

What is the force exerted when an object has a mass of 3 kg and the acceleration of 9 m/s2?

a)

27N

b)

3N

c)

.33N

d)

0N

36.

Three people can move a piano easier than two people. This demonstrates which of Newton's Laws of Motion?

a)

Newton's 1st Law (Inertia)

b)

Newton's 2nd Law (F= m x a)

c)

Newton's 3rd Law (Action Forces & Reaction Forces)

37.

What letter represents an object moving toward the point of reference?

a)

A

b)

B

c)

C

d)

D

38.

What letter represents when the object is not moving?

a)

A

b)

B

c)

C

d)

D

39.

A plane is traveling 600 km/h in a straight line. This plane is accelerating. True or False?

a)

True

b)

False

40.

Acceleration occurs if an object...

a)

speeds up.

b)

slows down.

c)

changes direction.

d)

All answer are correct.

41.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N 
b)
40N 
c)
10N 
d)
70N
42.

Based on the motion map provided the object is?

a)

speeding up

b)

not moving

c)

slowing down

d)

slowing down to a stop

43.
What is happening between 9am and 11am?
a)
The cyclist is traveling up a hill
b)
The cyclists is speeding up
c)
The cyclists is traveling at a constant speed
d)
The cyclist is slowing down
44.

If a 2000kg car and a 200kg motorcycle are both stopping at the same time, which one will require more force to slow down to a stop? Why?

a)

The car because it has more mass.

b)

The motorcycle because it has less mass

c)

They both require the same amount of force because they have different masses

d)

The motorcycle because it has more mass

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