NEW
Font size
S
M
L
XL
WorksheetsSPH4U Momentum Unit 2 Quiz
Total questions: 36
Worksheet time: 35mins
Name
Class
Date
1.
A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N s.
a)
-2.5
b)
-10
c)
-18
d)
-45
2.
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
3.
The difference between a car hitting a wall vs. a car hitting a hay stack is
a)
the Impulse on the car hitting the wall is greater
b)
the change in momentum of the car hitting the wall is greater
c)
the force on the car hitting the hay stack is greater
d)
the collision time of the car hitting the hay stack is greater
4.
The units for Impulse are
a)
N/s
b)
N.s
c)
N
d)
m/s
5.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N.s
b)
6 N.s
c)
66 N.s
d)
None of these
6.
The impulse-momentum theorem states that
a)
the impulse on an object is equal to the change in momentum it causes
b)
the force on a moving object is equal to the magnitude of the impulse.
c)
the impulse on an object is greater than the change in momentum it causes
d)
the impulse on an object is less than the change in momentum it causes
7.
Which of the following has the MOST momentum?
a)
rolling ping-pong ball
b)
rolling bowling ball
c)
rolling soccer ball
d)
rolling basketball
8.
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
9.
An object has a mass of 8 kg, a displacement of 10 m, and a time of 40 s, what is its momentum?
a)
320 kgm/s
b)
.5 kgm/s
c)
3,200 kgm/s
d)
2 kgm/s
10.
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
11.
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
12.
What is the momentum of a charging rhino?
a)
2 × 10² kg⋅m/s
b)
3 × 10² kg⋅m/s
c)
2 × 10⁴ kg⋅m/s
d)
3 × 10⁴ kg⋅m/s
13.
A 5 kg cart moving at 1 m/s collides with a 15 kg brick. It keeps rolling with the brick attached to the cart. The cart and brick together now have a momentum of:
a)
0 kg⋅m/S
b)
5 kg⋅m/S
c)
20 kg⋅m/S
d)
more than 5 kg⋅m/S
14.
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
15.
Which takes more force to catch, a bowling ball or a ping pong ball?
a)
bowling ball because it has more momentum
b)
ping pong ball because it has more momentum
c)
both require the same amount of force when catching
d)
bowling ball because it has less momentum
16.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
17.
The ability to do work or cause change is called ________?
a)
force
b)
work
c)
energy
d)
power
18.
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
19.
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
20.
The momentum of an object is defined as the object's:
a)
force time the time interval
b)
mass times its acceleration
c)
mass times its velocity
d)
velocity times the time interval
21.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
22.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
23.
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.
a)
Kinetic
b)
Potential
c)
Gravity
d)
Friction
24.
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.
a)
Kinetic
b)
Potential
c)
Gravity
d)
Friction
25.
Can energy be destroyed
a)
no
b)
yes
26.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
27.
You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. The ball has ____ kinetic energy. Calculate it.
a)
1890 J
b)
3780 J
c)
945 J
d)
31.5 J
28.
You serve a volley ball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30m/s. The ball has ____ kinetic energy. Calculate it.
a)
1890 J
b)
3780 J
c)
945 J
d)
31.5 J
29.
An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s
a)
200Kg
b)
20,000Kg
c)
10Kg
d)
200Kg
30.
The unit of acceleration is:
a)
m/s2
b)
m/s
c)
m.s2
d)
m/s3
31.
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
32.
What is happening during section B on this graph?
a)
speeding up
b)
slowing down
c)
constant velocity
d)
stopped
33.
Determine the motion of the car.
a)
at rest
b)
constant velocity
c)
speeding up
d)
slowing down
34.
What is speed?
a)
how far you go
b)
how much distance is covered over a period of time
c)
how fast you accelerate
d)
the change in the location of a object
35.
distance =
a)
distance ÷ time
b)
speed x time
c)
time x distance
d)
speed ÷ time
36.
The unit for distance is:
a)
m
b)
s
c)
m/s
Reset
