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Physical Science Motion Review

Total questions: 67

Worksheet time: 3hrs 25mins

Name
Class
Date
1.

The rate of change in velocity; how quickly velocity is changing

a)

speed

b)

velocity

c)

resultant speed

d)

acceleration

2.

The unit for acceleration is

a)

m2/s

b)

m/s

c)

m/s2

d)

m/s3

3.

If velocity and acceleration are in the same direction an objects ____________.

a)

speeds up

b)

slows done

c)

stops

d)

turns

4.

If velocity and acceleration are in the opposite direction, the object _________.

a)

stops

b)

none

c)

slows down

d)

speeds up

5.

A car moving at 80 mph has a speed of 35.8 m/s. What acceleration would it have if it took 5.0 s to come to a complete stop?

a)

-6.16

b)

3.12

c)

-7.16

d)

4.15

6.

If a ferrari, with an initial velocity of 10 m/s, accelerates at a rate of 50 m/s2 for 3 seconds, what will its final velocity be?

a)

170 m/s

b)

140 m/s

c)

150 m/s

d)

160 m/s

7.

An object falls from a building. Ignoring air resistance, its acceleration due to gravity is 9.8 m/s2. How long will it take before it reaches a speed of 49 m/s?

a)

5s

b)

-5s

c)

4s

d)

-4s

8.

What is the acceleration of a car that travels in a straight line at a constant speed?

a)

0

b)

9.8 m/s

c)

4 m/s

d)

2 m/s

9.

A ball is dropped at the top of building. After 2 seconds it's velocity is measured to be 19.6 m/s. What is its acceleration?

a)

19.6 m/s

b)

9.8 m/s

c)

0 m/s

d)

29.4 m/s

10.

What does the negative sign mean in acceleration problems?

a)

an objects is deceleration

b)

going in the opposite direction

c)

going in the same direction

11.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
12.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
13.
A runner races in the 100 meter dash.  It takes her 10 seconds to finish.  What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
14.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
15.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
16.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
17.
Which runner won the race?
a)
A
b)
B
c)
C
d)
It was a tie
18.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
19.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
20.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
21.
Find the velocity of a plane that traveled 3000 miles west in 5 hours.
a)
65 mph west
b)
6 mph west
c)
600 mph west
d)
6000 mph west 
22.
David walks 3 km north, and then turns east and walks 4 km. What is the distance?
a)
7 km
b)
3 km
c)
4 km
d)
1 km
23.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
24.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
25.
All objects in the universe have a gravitational attraction to each other. 
a)
True
b)
False
26.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
27.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
28.

What is defined as a push or pull?

a)

force

b)

motion

c)

vector

d)

speed

29.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
30.
Balanced forces do not change the objects speed or 
a)
direction
b)
distance 
c)
time
d)
mass
31.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
32.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
33.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
34.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
35.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
36.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
37.
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.
38.
What is the net force?
a)
20 N 
b)
0 N 
c)
400 N 
d)
40 N 
39.

Is this an example of a balanced or unbalanced force?

a)

Balanced force

b)

Unbalanced force

c)

I don't know

40.

In this force diagram, which arrow is representing Friction?

a)

A

b)

B

c)

C

d)

D

41.

In this force diagram, which arrow is representing the Normal Force?

a)

A

b)

B

c)

C

d)

D

42.

How do you know if this object is balanced?

a)

It's not balanced; it's Net Force is 14 N

b)

It is balanced because its Net Force is 0 N.

c)

It's not balanced; it's Net Force is 10 N left and 4 N up.

d)

I don't know how to tell.

43.

According to this force diagram, is this object balanced or unbalanced?

a)

Balanced

b)

Unbalanced

c)

I don't know

44.

What is the net force on this object?

a)

80 N West

b)

80 N East

c)

40 N West

d)

40 N East

45.

What is the net force?

a)

3 N

b)

3 N, right

c)

17 N, right

d)

3 N, left

46.

What is the Net Force on this object?

a)

11 N, right

b)

8 N, right

c)

3 N, left

d)

5 N, right

47.
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
48.
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
49.
A 20 kg bike accelerates at 10 m/s2.  what was the force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
50.
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
51.
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
52.
You hit a wall with a stick.  The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
53.
What is the acceleration of an object traveling at a constant velocity?
a)
10 m/s2
b)
0 m/s2
c)
250 m/s2
d)
20 m/s2
54.
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
55.
45 m/s2 is the... 
a)
Mass
b)
Force 
c)
Acceleration
d)
weight
56.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
57.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
58.

The mass of a car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/s2?

a)

1000 ÷ 3

b)

3 ÷ 1000

c)

1000 x 3

59.

A force of 250 N is applied to an object that accelerates at a rate of 5 m/s2. What is the mass of the object? To solve this problem you must do -

a)

250 ÷ 5

b)

5 ÷ 250

c)

250 x 5

60.

A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? To solve this problem you must do -

a)

132 ÷ 2

b)

2 ÷ 132

c)

132 x 2

61.

A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? The answer to this question is most likely (HINT: Look at the units!!!) -

a)

66 N

b)

66 m/s2

c)

66 kg

62.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
63.
Examine the table provided. Which of the objects is producing the greatest force?
a)
Soccer Ball
b)
Tennis Ball
c)
Marble
d)
Ping-Pong Ball
64.
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
65.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
kg/ m2
66.
Unbalanced forces make an object:
a)
Come to rest
b)
move at constant velocity
c)
accelerate
d)
explode
67.
A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?
a)
16 m/s2
b)
17 m/s2
c)
18 m/s2
d)
19 m/s2

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