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Unit 2 - Motion Review

Total questions: 36

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
2.

Change in position (Δx) divided by change in time (Δt) is:

a)

average velocity

b)

constant velocity

c)

instantaneous velocity

d)

acceleration

3.

A car starts at a velocity of 20 m/s and accelerates at 5 m/s2 for 10 seconds. What is the velocity of the car after the 10 seconds?

a)

25 m/s

b)

70 m/s

c)

110 m/s

d)

35 m/s

4.

How far will a person go if they jog for 2 hours at a velocity of 12 km/hr?

a)

6 km

b)

0.5 km

c)

10 km

d)

24 km

5.
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
6.
What is happening at E?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Steady speed; returning to start position
7.
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
8.

Which runner ran the furthest in the 5 seconds?

a)

A

b)

B

c)

C

d)

It was a tie

9.
Which runner had a head start?
a)
A
b)
B
c)
C
d)
None of them
10.

Which runner accelerated?

a)

A

b)

B

c)

C

d)

All of them

11.

John took 90 minutes to bicycle to his grandmother's house, a total of 6 kilometers. What was his average velocity? (pay attention to units)

a)

540 km/hr

b)

.066 km/hr

c)

4 km/hr

d)

9 km/hr

12.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
13.

Acceleration of an object happens when things ________

a)

slow down

b)

speed up

c)

change direction (turn)

d)

All of the above

14.

The graph represents

a)

No motion

b)

Velocity

c)

Positve Acceleration

d)

Negative Acceleration

15.

The graph represents

a)

Positive Acceleration

b)

No motion

c)

Negative Acceleration

d)

Constant Velocity

16.

The graph represents

a)

No motion

b)

Constant Velocity

c)

Positive Acceleration

d)

Negative Acceleration

17.

The graph represents

a)

no motion

b)

Constant velocity

c)

positive acceleration

d)

negative acceleration

18.

The graph represents

a)

no motion

b)

constant velocity

c)

positive acceleration

d)

negative acceleration

19.

g is defined as

a)

acceleration of all objects in motion

b)

acceleration of objects moving horizontally

c)

acceleration of gravity

d)

I only care about OGs

20.
If a car is traveling forward at 15 m/s, how fast will it be going in 1.2 seconds if the acceleration is -10 m/s/s?
a)
27 m/s
b)
3 m/s
c)
-27 m/s
d)
-3 m/s
21.
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
22.
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
23.
Acceleration is a change in ________. 
a)
direction 
b)
speed 
c)
velocity 
d)
distance 
24.
A rock is dropped off a roof and falls for 1.26 seconds.  How tall is the roof?
a)
16 m
b)
7.8 m
c)
6.2 m
d)
38 m
25.

A water balloon is dropped from a window. The water balloon hits an unsuspecting 9th grader 0.55 seconds later. What was the velocity of the balloon as it hit the 9th grader?

a)

5.4 m/s

b)

-5.4 m/s

c)

-2.96 m/s

d)

2.96 m/s

26.
An object in free fall has a ____________ acceleration.
a)
constant
b)
increasing
c)
decreasing
d)
random
27.

An object in free fall has a ____________ velocity.

a)

constant

b)

increasing

c)

random

d)

decreasing

28.

What is the vi and vf of the graph above?

a)

75 m/s , 15 m/s

b)

75 m/s , 0 m/s

c)

0 m/s , 15 m/s

d)

Can't be found

29.

What is the acceleration shown in the graph above?

a)

-75 m/s2

b)

15 m/s2

c)

60 m/s2

d)

-5 m/s2

30.

What is the displacement shown in the graph above?

a)

75 m

b)

1125 m

c)

562.5 m

d)

-5 m

31.

What is the average velocity shown in the graph above?

a)

75 m/s

b)

37.5 m/s

c)

-5 m/s

d)

45 m/s

32.

What type of motion is shown in the graph above?

a)

positive acceleration, slowing down

b)

positive acceleration, speeding up

c)

negative acceleration, slowing down

d)

negative acceleration, speeding up

33.

A water balloon is dropped from a window. The water balloon hits an unsuspecting 9th grader 0.55 seconds later. How far above the 9th graders head was the window? (Δx)

a)

5.4 m

b)

2.96 m

c)

1.48 m

d)

When do we get to do this lab...?

34.

What is happening at t=2s?

a)

A is passing by B

b)

A and B are in the same place

c)

A and B have the same velocity

d)

A and B aren't moving

35.

Who is traveling faster at t=1s?

a)

A

b)

B

c)

Same

d)

They aren't moving

36.

Who has a larger acceleration?

a)

A

b)

B

c)

Same

d)

They aren't accelerating