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Force and Motion Review

Total questions: 58

Worksheet time: 15hrs 30mins

Name
Class
Date
1.
What is the formula for calculating speed?
a)
S= D x T
b)
S= T/D
c)
S= D/T
d)
S= D+T
2.
Calculate the speed of a train that traveled 400 miles in 5 hours.
a)
20 mph
b)
20 m/s
c)
80 mph
d)
80 m/s
3.

A plane flying 300 mph west toward California is an example of...

a)

Speed

b)

Velocity

c)

Acceleration

d)

Direction

4.
mph is a unit for ... 
a)
Speed
b)
Distance
c)
Time
d)
Direction
5.

George walked his dog 2 miles north in 30 minutes. What was George's speed per hour?

a)

15 mi/hr

b)

60 mi/hr

c)

0.067 mi/hr

d)

4 mi/hr

6.
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
7.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
8.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
9.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
10.
Which runner won the race?
a)
A
b)
B
c)
C
11.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
12.

Acceleration is defined as the CHANGE in

a)

time it takes for one place to move to another place.

b)

speed of an object.

c)

distance divided by the time interval

d)

speed divided by the time interval

13.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
14.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s.  What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
40 m/s
15.
A golf ball accelerates off a tee at 15m/s2, changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
16.

Which graph represents zero acceleration (constant velocity)?

a)

A

b)

B

c)

C

d)

D

17.

Which graph is showing acceleration (getting faster)

a)

D

b)

E

c)

both D and E

d)

neither D or E

18.

What is happening during point C to D?

a)

not moving

b)

increasing speed at a constant rate

c)

moving at a constant speed

d)

moving at 10 m/s2 acceleration

19.

Match the graph to the description:

"The car is accelerating and speeding up"

a)
b)
c)
d)
20.

Match the graph to the description:

"The car is slowing down."

a)
b)
c)
d)
21.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

22.

Which law states that for every action there is an equal and opposite reaction?

a)

1st Law

b)

2nd Law

c)

3rd Law

23.

Which law states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on it?

a)

1st Law

b)

2nd Law

c)

3rd Law

24.

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them. Which law is demonstrated?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

25.

Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction. Which law is demonstrated?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

26.

A person not wearing a seatbelt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops. Which law is demonstrated?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

27.

Pushing a child on a swing is easier and requires less force than pushing an adult on the same swing, because the adult has more mass. Which law is demonstrated?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

28.
Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
29.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
30.

A soccer ball accelerates more than a bowling ball when thrown with the same force. Which law is demonstrated?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

31.
A net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?
a)
 m = 3.0 kg
b)
m = 4.0 kg 
c)
m = 3.0 ml 
d)
m = 30.0 g
32.
Determine the accelerations that result when a 12-N net force is applied to a 3-kg object. 
a)
3 m/s
b)
4 ft/s 
c)
13 m/s
d)
4 m/s 
33.
Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.
a)
true 
b)
false 
34.
When a heavy football player and a light one run into each other, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
There is no such thing as force 
35.
What is the standard unit force is measured in?
a)
Newton
b)
Gram
c)
Pound
d)
Meter
36.

20 Newtons is the ----

a)

Mass

b)

Force

c)

Acceleration

37.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
38.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
39.
As distance between two objects increase the pull of gravity 
a)
Increases
b)
Decreases
c)
Stays the same
40.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight 
d)
friction 
41.
The amount of matter in an object is 
a)
pressure
b)
weight
c)
mass
d)
force
42.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
43.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
44.
If Earth's mass was cut in half, what would happen to your mass?
a)
increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, mass is not affected by gravitational force
45.
Which has more mass, Earth or the Moon?
a)
Earth
b)
Moon
c)
The same
46.
Which has a STRONGER force of gravity, Earth or the Moon?
a)
Earth
b)
Moon
47.
Is weight AFFECTED by gravity?
a)
YES, depending on the force of gravity is how much you weight.
b)
NO, it is not related.
48.
Where would you weight more, on Earth or on the Moon?
a)
Earth
b)
Moon
49.
Where would you have more mass, on Earth or on the Moon?
a)
Earth
b)
Moon
c)
IS THE SAME, mass DOESN'T CHANGE
d)
In both Planets.
50.

How long will it take an object to fall 50 meters on Earth where a= 9.8 m/s2? Use t = √(2d/a)

a)

1.2 seconds

b)

3.2 seconds

c)

5.2 seconds

d)

9.8 seconds

51.

How long will it take an object to fall 50 meters on the Moon where a= 1.6 m/s2? Use t = √(2d/a)

a)

1.6 seconds

b)

7.9 seconds

c)

10 seconds

d)

1 second

52.

If an object is free falling on Earth where a= 9.8 m/s2, how far will it fall after 3 seconds? dt = vit + ½ * a * t2

a)

44.1 m

b)

88.2 m

c)

22.05 m

53.

If an object is free falling on the moon where a=1.6 m/s2, how far will it fall after 3 seconds? dt = vit + ½ * a * t2

a)

7.2 m

b)

14.4 m

c)

10 m

54.

If an object is free falling on Earth where a= 9.8 m/s2, how fast will it be moving after 4 seconds of free-fall? vt = vi + a * t

a)

9.8 m/s

b)

19.6 m/s

c)

39.2 m/s

55.

If an object is free falling on the moon where a=1.6 m/s2, how fast will it be moving after 4 seconds of free-fall?

vt = vi + a * t

a)

1.6 m/s

b)

3.2 m/s

c)

6.4 m/s

56.

What is the weight in Newtons of a 30 kg object on Earth where a= 9.8 m/s2?

Weight (Newtons) = Mass (kg) x Acceleration (m/s2)

a)

30 N

b)

294 N

c)

150 N

57.

What is the weight in Newtons of a 30 kg object on the moon where a=1.6 m/s2?

Weight (Newtons) = Mass (kg) x Acceleration (m/s2)

a)

1.6 N

b)

48 N

c)

30 N

58.

What is the weight in pounds of a 50 N object? 4.4 N = 1 lb

a)

50 lb

b)

4.4 lb

c)

11.3 lb

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