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Unit 10 Test Review: Force and Motion

Total questions: 40

Worksheet time: 36mins

Name
Class
Date
1.

Speed is equal to

a)

time divided by distance

b)

distance

c)

distance x time

d)

distance divided by time

2.
Speed in a specific direction is called
a)
speed
b)
acceleration
c)
position
d)
velocity
3.

Stating that a man is traveling north at 30 m/s is an statement of his

a)

speed

b)

velocity

c)

acceleration

d)

endurance

4.

If Steven is walking 3 m/s to the north and Vanessa is walking 3 m/s to the west, then which of the following is true

a)

They have the same speed and different velocities

b)

They have the same velocity and different speeds

c)

They have the same speed and velocity

d)

They have different speeds and different velocities

5.
A wheelchair racer completes a 100 meter course in 20 seconds. What is his speed?
d= 100 m
t= 20 s
a)
10 m/s
b)
5 m/s
c)
2 m/s
d)
0 m/s
6.

It takes Carlos 50 seconds to reach his friend's house, which is 100 meters away. What is his average speed?

a)
1 m/s
b)
2 m/s
c)
3 m/s
d)
4 m/s
7.

How far can you travel in 4 hours if your average speed is 95km/hr?

a)

380 km

b)

0.042 m/s

c)

24 km

d)

560 km/hr2

8.
In a distance time graph, the steeper the line the...
a)
greater the speed
b)
slower the speed
c)
speed has reached zero
d)
speed has not changed
9.
Which runner stopped for a rest?
a)
Albert
b)
Bob
c)
Charlie
10.
Which runner won the race?
a)
Albert
b)
Bob
c)
Charlie
11.
How long did one of the runner's rest?
a)
8 seconds
b)
13 seconds
c)
5 seconds
d)
50 seconds
12.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
13.

What is the acceleration of an object that has a velocity of 2m/s but over a time of 10 seconds, speeds up to move at 5m/s?

a)

0.3m/s2

b)

0.3m/s

c)

30m/s

d)

3m/s2

14.

The graph shows Sara riding her bike to Andrew's house.

What is occurring from point A to point B?

a)

she is traveling at a constant speed

b)

she is decreasing in speed

c)

she stopped to take a break

d)

She is increasing in speed

15.

LT4: The graph shows Sara riding her bike to Andrew's house.

What was occurring from point B to point C?

a)

She was increasing her speed.

b)

She stopped for 4 minutes

c)

She was decreasing in speed

d)

She is riding at a constant speed

16.

The graph shows Sara riding her bike to Andrew's house.

What was her average speed for the ENTIRE trip?

a)

1600 m/min

b)

200 m/min

c)

160 m/min

17.

This graph represents the motion of a car while driving over a short distance. Which statement accurately describes the motion of the car in this graph?

a)

It is going forwards slow, then it is going forwards fast.

b)

It is going forwards fast, then it is going forwards slowly.

c)

It is going backwards slow, then it is going backwards fast.

d)

It is going backwards fast, then it is going backwards slowly.

18.

Which force always produces a change in motion?

a)

unbalanced force

b)

balanced force

c)

gravitational force

d)

frictional force

19.

What is the net force?

a)

40 N left

b)

0 N Balanced

c)

400 N right

d)

40 N right

20.

What is the net force on the block?

a)

5 Newtons up

b)

5 Newtons down

c)

15 Newtons up

d)

15 Newtons down

21.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
22.

True or False: Any object in motion must be experiencing unbalanced forces

a)

True

b)

False

23.

When mass increases then gravitational force

a)

Decreases

b)

Increases

c)

Stays the same

24.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
25.
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
26.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
27.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
28.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
29.

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

30.

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

31.

What is the acceleration of the red block shown here? Don't forget to find the net force first!

a)

0.67m/s2

b)

5m/s2

c)

2.67m/s2

d)

24m/s2

32.

There is a book sitting at rest on a chair. Which of the following is true?

a)

There are multiple forces acting on the book, but they balance each other out

b)

The book exerts no force on the chair

c)

The chair exerts no force on the book

d)

The chair is exerting an unbalanced force on the book

33.

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)

34.

Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?

a)

2nd Law

b)

1st Law

c)

3rd Law

35.

A jellyfish swims through the water by pulling in water and then pushing the water back out in the opposite direction. This is an example of which law of motion?

a)

1st Law

b)

2nd Law

c)

3rd Law

36.

This picture represents Newton's Third Law.

True or False: The forces being exerted on the boat in this example are balanced.

a)

True

b)

False

37.

Which object has positive acceleration (getting faster)?

a)

A

b)

B

c)

C

d)

D

38.

This picture shows a VELOCITY-TIME graph. Choose the DISTANCE-TIME graph below that matches the same motion.

a)
b)

c)

d)
39.

Which of the following shows the units labeled correctly?

a)

Force: F

velocity: m

acceleration: m/s

b)

Force: N

velocity: m/s

acceleration: m/s2

c)

Force: n

velocity: m/s2

acceleration: A

d)

Force: N

velocity: s

acceleration: m/s2

40.

Which object has the fastest SPEED?

a)

A

b)

B

c)

C