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Unit 2 - Motion - Test Review

Total questions: 55

Worksheet time: 1hrs 7mins

Name
Class
Date
1.

To report the ____ of an object, we must specify both its speed and its direction .

a)

Speed

b)

Velocity

c)

Displacement

d)

Acceleration

2.

The speedometer in your car tells you the ____ of your car.

a)

acceleration

b)

average speed

c)

instantaneous speed

d)

velocity

e)

inertia

3.

The rate of change of an object’s velocity is

a)

Speed

b)

Acceleration

c)

Constant speed

d)

Displacement

4.

An object that is neither speeding up nor slowing down is travelling at a

a)

Negative speed

b)

Constant speed

c)

Accelerating speed

d)

vector

5.

In which of the following conditions does a car NOT accelerate?

a)

A car moves at 80km/hr on a flat, straight highway.

b)

The car slows from 80km/hr to 35 km/hr.

c)

The car turns a corner

d)

The car speeds up from 35 km/hr to 80 km/hr.

6.

This is a graph of a student riding to school. What can you tell about the motion of the bike rider from point B to C?

a)

The rider is accelerating.

b)

The rider is returning at a constant speed.

c)

The rider is stationary.

d)

The rider has negative acceleration.

7.

What can be said of the rider from point C to D?

a)

The rider is accelerating.

b)

The rider is moving back toward the start.

c)

The rider is moving forward at a constant speed.

d)

The rider is moving forward at a faster speed than from A to B.

8.

What is the average speed of the rider?

a)

0.18 km/min

b)

5 km/min

c)

45 km/min

d)

50 km/min^2

9.

What can you tell about the motion of the object from point B to point C?

a)

The object is moving at constant speed.

b)

The object is moving back toward the start.

c)

The object is experiencing positive acceleration.

d)

The object is experiencing negative acceleration.

10.

Which of the following represents a stationary object on this graph?

a)

Point A-B

b)

Point B-C

c)

Point C-D

d)

Point D-E

11.

A car approaches a red light. The car would have a negative acceleration when

a)

The driver applies the brakes

b)

When the driver is at a complete stop

c)

Before the driver applies the brakes

d)

Only when the driver is in reverse.

12.

Which pair of graphs show acceleration ?

a)

B and C

b)

B and D

c)

C and D

d)

D and E

e)

B and F

13.

Which graph shows constant (non 0) speed?

a)

A

b)

B

c)

D

d)

E

14.

Which graph shows a stationary object?

a)

A

b)

B

c)

C

d)

D

15.

Which graph shows an object experiencing unbalanced forces?

a)

A

b)

B

c)

C

d)

D

e)

None of the graphs

16.

Which graph shows constant speed ?

a)

A

b)

B

c)

C

d)

D

e)

E

17.

Which graph shows a stationary object?

a)

A

b)

B

c)

D

d)

E

e)

None of these

18.

Which graph shows an object experiencing balanced forces?

a)

A

b)

B

c)

D

d)

E

e)

F

19.
An experiment is conducted to test how different cleats change an athletes running speed.  Six different types of cleats are tested and the 100m run time is recorded.  What is the independent variable?
a)
The type of cleat
b)
The run time
c)
The 100 meters
d)
The athlete
20.
A student wants to test the effects of different types of exercise on heart rate.  What is the dependent variable?
a)
heart rate
b)
type of exercise
c)
amount of exercise
d)
time of day exercise occurs
21.
Things that stay the same throughout the whole experiment are called
a)
controls
b)
dependent variables
c)
independent variables
d)
constants
22.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

23.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the dependent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

24.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid; water, apple juice, or milk.  In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
25.
Mrs. Ahlers set up an experiment to see how the mass of a ball affects the distance it rolls off a ramp. What is the dependent variable?
a)
Distance traveled by the ball
b)
Height of the ramp
c)
Mass of the ball
d)
Where the experiment took place.
26.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
27.
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
28.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
29.

Velocity is speed with __________________________.

a)

a unicycle helmet

b)

direction

c)

fight

30.

Jose wandered 4 km at 2 km/hr. How long did Jose wander?

a)

2 hours

b)

8 hours

c)

0.5 hours

d)

2 km

31.

A vehicle travels 2345 m in 315 s toward the evening sun. What is its speed?

a)

7.44 m/s

b)

0.13 m/s

c)

738,675 m/s

d)

7.44m

32.

How long will it take to go 150,000 m traveling at 50 km/hr?

a)

3000 hours

b)

3000 sec

c)

3 hours

d)

3 sec

33.

It took Shawn 6 hours to walk to Susan's house at 2 km/hr. How far is it between Shawn's house and Susan's house?

a)

12 km

b)

3 km

c)

12 hours

d)

3 hours

34.
65 miles per hour North is an example of an objects what?
a)
Speed
b)
Velocity
c)
Average Speed
d)
Constant Speed
35.
Speed is different from velocity because
a)
Velocity has a direction
b)
Speed uses Distance /Time
c)
Velocity doesn't include time
d)
Velocity doesn't include distance
36.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
37.
When a car goes around a corner at 20 mph, why do we say it  accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
38.
Of the following, which is a vector?
a)
Mass
b)
Time
c)
Speed
d)
Velocity
39.
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
40.

Which of these is a way that an object might accelerate?

a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
41.
What is the unit for mass?
a)
Gram or Kilogram
b)
Meters
c)
Liters
d)
Joules
42.
What is the unit for volume?
a)
gram
b)
Meter
c)
Liter
d)
Newton
43.
On a Saturday afternoon, you drive 30 miles directly east to visit grandma. You then drive 20 miles back the way you came to stop at a friend’s house. What is your total distance traveled? 
a)
20 miles
b)
30 miles
c)
40 miles
d)
50 miles
44.

What two variables are needed to calculate the speed of an object?

 s = dts\ =\ \frac{\text{d}}{\text{t}}  

a)

Distance and direction

b)

Distance and time

c)

Direction and time

45.

Which of the following describes a measurement that has both magnitude and direction?

a)

Scalar quantity

b)

Vector quantity

46.

What would be the displacement of a Nascar Driver who just crossed the finish line at the Daytona 500?

a)

500 miles

b)

500 meters

c)

1000 miles

d)

0 meters

47.

On a Saturday afternoon, you drive 30 miles directly east to visit grandma. You then drive 20 miles back the way you came to stop at a friend’s house. What is your displacement at your friends house?

a)

10 meters East

b)

10 meters West

c)

20 meters West

d)

50 meters East

48.

What is the object doing from 4s to 8s?

a)

Moving backwards at a constant speed

b)

Speeding Up

c)

Slowing Down

d)

20 m/s

49.

How could you describe the object's motion after 9.0s?

a)

It isn't moving

b)

It is moving backwards

c)

It is slowing down

d)

It has 0 acceleration

50.

What is the object's speed at 9.0 seconds?

a)

0 m/s

b)

20 m/s

c)
  • - 20 m/s

d)

Not enough info

51.

Which of the following does the object NOT do up until 4 seconds?

a)

Speed up

b)

Change Accelerations

c)

Move forward

d)

Slow Down

52.

In which situation would a bicycle rider NOT be accelerating?

a)

If her direction and speed were unchanged.

b)

If her direction changed and speed was constant.

c)

If her speed increased and direction was unchanged.

d)

If her speed decreased.

53.

In 1970, Don “Big Daddy” Garlits set what was then the world record for drag racing. He started at rest and accelerated at 16.5 m/s2 (about 1.68 times free-fall acceleration) for 6.5 s. What was Garlits’s final speed?

a)

107 m/s

b)

107 m/s2

c)

59 m/s

d)

59 m/s2

54.
A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
55.

If someone runs a mile at 5 m/s the whole time, what is his acceleration?

a)

0 m/s2

b)

5 m/s2

c)

2.5 m/s2

d)

1 m/s2