WorksheetsMomentum & Impulse
Total questions: 25
Worksheet time: 59mins
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
Which one of the following units represents the standard metric units of momentum
Newtons * meter / second
Kilograms * meter / second2
meter / second
Kilograms * meter / second
Which one of these objects has the greater amount of momentum?
A turtle that slowly crosses a road
A parked car
A stop sign
An egg landing on a soft surface will remain intact. The surface increases the _____ and decreases the _____ during the impact
impulse, time
impulse, force
force, time
time, force
Padded dashboards in cars are safer in accidents than non padded ones because the passenger hitting the dash has...
a) Increased time of impact
b) decreased impulse
c) decreased impact force
d) a and b
e) a and c
If the change of momentum of an object is 50kg m/s, we can say the impulse is equal to:
0 N*s
25 N*s
50 N*s
100 N*s
No collision is either perfectly elastic or perfectly inelastic.
True
False
A car is at a red light. The driver reaches a speed of 20m/s in 3 seconds. The car is 1500kg. How much force did the engine supply to the car?
10 N
10,000 N
1500 N
1 N
A car is at a red light. The driver reaches a speed of 20m/s in 3 seconds. The car is 1500kg. What is the momentum of the car when it is driving?
60 kgm/s
30 kgm/s
30,000 kgm/s
60,000 kgm/s
If the car's engine provided 200N of force for 3.9 seconds, what is the impulse of the car?
780 kgm/s
51.3 kgm/s
0.0195 kgm/s
0 kgm/s
The conservation of momentum means...
The momentum before an event disappears after the event
The momentum before and after the collisions are equal
The momentum before an event increases after the event
The momentum before and after an event changes
p=mV How fast was a 30 kg mass moving if it has a momentum of 5 kgm/s?
35 m/s
6 m/s
5 m/s
0.17 m/s
p=mV An unknown mass has a momentum of 60 kgm/s and is moving at a velocity of 2 m/s. What is the mass of the object?
0.03 kg
120 kg
30 kg
62 kg
Which of the following has the greatest momentum?
an 18-wheeler tractor trailer at rest
an average mass person walking
a sports car driving on the highway
A baseball thrown by a child
