NEW
Font size
S
M
L
XL
WorksheetsMomentum 21-22
Total questions: 20
Worksheet time: 13mins
Name
Class
Date
1.
Which of the following has the greatest momentum?
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
2.
Which of the following has more momentum?
a)
a moving SUV
b)
a moving semi-truck
c)
more information is needed
3.
Most modern vehicles have padded dashboards. This reduces collision injuries by...
a)
reducing the driver's change in momentum
b)
increasing the driver's change in momentum
c)
increasing the force of impact
d)
increasing the time of impact
4.
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
5.
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
6.
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
7.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
8.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
9.
The impulse is ______ the change in momentum
a)
greater than
b)
equal to
c)
less than
d)
always double
10.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg x m/sec
11.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg x m/sec
12.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
13.
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
14.
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
15.
Does it take more force to catch a bowling ball or ping pong ball if they are moving at the same speed.
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.
The air bag on a car reduces the force experienced by the driver, by extending the time of impact.
a)
True
b)
False
17.
The impulse is _____the change in momentum
a)
Greater than
b)
Equal to
c)
Less than
d)
Always double
18.
All of the following are examples of impulse except..
a)
A car moving with constant speed
b)
A tennis ball hitting a racket
c)
A pencil getting stuck to the ceiling
d)
A hammer bouncing of a nail
19.
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
20.
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
Reset
