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Acceleration & Momentum Review

Total questions: 60

Worksheet time: 3hrs 44mins

Name
Class
Date
1.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
2.
Determine the momentum of 1000-kg car moving northward at 20 m/s......... 
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
3.
The definition of momentum is
a)
Mass in Motion
b)
The size of an object
c)
The velocity of an object
d)
A comparison between two objects
4.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
5.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
6.
A biker with a mass of 75 kg moves along the path with a constant velocity of 5 m/s. What is the biker's momentum?
a)
25 m/s
b)
375 m/s
c)
25 kg m/s
d)
375 kg m/s
7.
The momentum of a truck traveling in a straight line at 25 m/s is 37,500 kg m/s. What is the truck's mass? 
a)
937,500 kg
b)
937,500 N
c)
1,500 N
d)
1,500 kg
8.
How much momentum does a 50 kg mass moving at 10 m/s have?
a)
5 kg m/s
b)
500 kg m/s
c)
5 N
d)
500 N
9.
How much momentum does a stationary battle ship have if it has a mass of 2,575,000 kg?
a)
2,575,000 N
b)
2,575,000 kg m/s
c)
0 Momentum requires mass and velocity
d)
none of the above
10.
The units for momentum are
a)
kg
b)
m/s
c)
kg-m/s
d)
kg/m/s
11.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
12.
Which object listed below has the greatest momentum?
a)
A 0.05 kg object rolling at 0.2 m/s
b)
A 0.15 kg object rolling at 2 m/s.
c)
A 0.15 kg object rolling at 1 m/s
d)
A 0.4 kg object rolling at 2 m/s.
13.
A runner has a momentum of 670 kg m/s and is travelling at a velocity of 9 m/s. What is his mass?
a)
6030 kg
b)
0.0134 kg
c)
74.4 kg
d)
80 kg
14.

A heavy object and a light object have the same momentum. Which has the greater speed?

a)

Heavy object

b)

Light object

c)

Both have the same speed

15.

What is the symbol used for momentum?

a)

m

b)

t

c)

p

d)

v

16.

How can a tennis ball and a bowling ball have the same momentum?

a)

have the same speed

b)

have different speeds

c)

one is moving backwards

d)

they can't

17.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
18.
A truck slowing down to stop at a red light is an example of ____. 
a)
Speed
b)
Velocity
c)
Acceleration
d)
Direction
19.
A ball with a momentum of 20 kg⋅m/S is moving at 5 m/S. What is its mass?
a)
4 kg
b)
.25 kg
c)
25 kg
d)
100 kg
20.
A 5 kg ball has a momentum of 15 kg⋅m/S. What is the ball's velocity?
a)
.333 kg⋅m/S
b)
3 kg⋅m/S
c)
75 kg⋅m/S
d)
10 kg⋅m/S
21.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
22.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
23.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
24.
What is the momentum of a 70 - kg cheetah running at 30.8 m/s?
a)
100.8 kg - m/s
b)
40.8 kg - m/s
c)
2156 kg - m/s
25.
What is the momentum of a 50 - kg dolphin swimming at 10.4 m/s?
a)
520 kg - m/s
b)
60.4 kg - m/s
c)
4.8 kg - m/s
26.
What is the momentum of a 25 kg bear running at 2 m/s?
a)
50 kg m/s
b)
100 kg m/s
c)
23 kg m/s
27.

Which of the following has the MOST momentum?

a)

rolling ping-pong ball

b)

rolling bowling ball

c)

rolling soccer ball

d)

rolling basketball

28.

Which object has more momentum?

a)

Baseball in the pitchers hand

b)

baseball, lost, in a messy room

c)

baseball in flight

d)

baseball in a catchers mitt

29.

Which object has more momentum?

a)

Baseball in the pitchers hand

b)

baseball, lost, in a messy room

c)

baseball in flight

d)

baseball in a catchers mitt

30.

Which object has more momentum?

a)

motorcycle at 15 mph?

b)

bike at 15 mph

c)

car at a stoplight

d)

runner at 10 mph

31.

which object has more momentum?

a)

baby crawling

b)

car at stoplight

c)

butterfly in flight

d)

ant carrying crumb

32.

Which object has more momentum?

a)

car driving near school

b)

car driving on freeway

c)

car finding a parking place

d)

car driving in the city

33.

Which object has more momentum?

a)

caterpillar on a leaf

b)

sleeping bear

c)

butterfly in flight

d)

ant walking in line

34.

If an object has a momentum of 40 kgm/s and a mass of 60 kg, what is it's velocity?

a)

2400 m/s

b)

1.5 m/s

c)

240 m/s

d)

.67 m/s

35.

If an object has a velocity of 15 m/s and a momentum of 30 kgm/s, what is its mass?

a)

450 kg

b)

2 kg

c)

4,500 kg

d)

.5 kg

36.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
37.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
38.
What is the formula to calculate speed?
a)
Speed = time/distance
b)
Speed = distance/time
c)
Speed = distance x time
d)
Speed = time x distance
39.
Can be measured in meters per second (m/s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
40.
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
41.
Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.
a)
198 m/sec
b)
170 m/sec
c)
12 m/sec
d)
18 m/sec
42.
Of the following, which is a vector?
a)
Mass
b)
Time
c)
Speed
d)
Velocity
43.
A value that only has magnitude (a number)
a)
Scalar
b)
Vector
c)
Speed
d)
Velocity
44.
Acceleration is defined as the CHANGE in 
a)
time it takes for one place to move to another place. 
b)
velocity of an object.
c)
distance divided by the time interval 
d)
velocity divided by the time interval 
45.
Acceleration only takes place when things speed up. 
a)
True
b)
False
46.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car turning a curve at a constant speed
47.
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
48.
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
49.
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
50.
Acceleration can be classified as _______________
a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
51.
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
52.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
53.
A roller coasters accelerates from an initial velocity of 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
54.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
55.
Why does a car accelerate as it round a corner at a constant speed?
a)
Its direction changes
b)
It doesn't
c)
It slows down
d)
Its speeds up  
56.
What car has the fastest acceleration?
a)
Car goes from 0-60 Mph in 3 seconds
b)
Car goes from 0-60 Mph in 4 seconds
c)
Car goes from 0-60 Mph in 5 seconds
d)
Car goes from 0-60 Mph in 6 seconds
57.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
58.

A correct measure of velocity would be

a)

300 m/hr

b)

7,800 m/sec

c)

40 kn/hr north

59.

A snake slithered across the sidewalk in between two sign posts. At the first sign post his speed was 1.2 m/s. At the second sign post his speed was 1.2 m/s. This is an example of...

a)

positive acceleration

b)

negative acceleration

c)

no acceleration

60.
In each of the following cases, determine where the car has no acceleration ?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car moving down a ramp

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