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WorksheetsMomentum and Impulse Review
Total questions: 15
Worksheet time: 10mins
In the formula p = mv, what does p stand for?
inertia
gravity
momentum
projectile
It is a physical quantity which can be described as mass in motion
(a)
Inertia describes how much motion an object has, while momentum describes an object's resistance to change in motion.
TRUE
FALSE
Which of the following is correctly paired?
momentum : vector :: impulse : vector
momentum : scalar :: impulse : vector
momentum : scalar :: impulse : scalar
momentum : vector :: impulse : scalar
It is also known as the change in momentum
(a)
Which of the following is the unit SI unit of momentum, p=mv?
N
kg · m
kg · m/s
kg · m/s2
Which of the following is the SI unit of impulse?
Newton second
Newton meter
Joule
Meters per second
It is equal to the net force on the object times the time period over which this force is applied.
Momentum
Work
Impulse
Inertia
What is the momentum of a 25-kg car starting from rest?
0 kg · m/s
25 kg · m/s
0 kg · m/s2
25 kg · m/s2
Which of the following has a greater momentum:
Car A which is 50-kg and moves at 15 m/s, or
Car B which is 40-kg and moves at 25 m/s?
Car A
Car B
What happens to the momentum of an object if its velocity is reduced?
It doubles
It is also reduced
It becomes zero
It stays the same
Using the equation p = mv, find for the velocity of an object if its momentum is 750 kg · m/s, and it has a mass of 60 kg.
0.08 m/s
690 m/s
12.5 m/s
450 m/s
Which of the following describes the Law of Momentum Conservation?
The total momentum of a system remains constant
The total momentum of a system changes over time
The total momentum of a system is always zero
The total momentum of a system cannot be negative
A 60-N force is applied to a 150-kg boulder for 6 s. Calculate the impulse of this force.
10 N·s
15 N·s
360 N·s
900 N·s
What letter is commonly used as a symbol for impulse?
(a)
