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WorksheetsMomentum
Total questions: 10
Worksheet time: 13mins
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.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
3.
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
4.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
5.
Two football players with mass 75 kg and 100 kg run directly toward each other with speeds of 6 m/s and 8 m/s respectively. If they grab each other as they collide, the combined speed of the two players just after the collision would be:
a)
2 m/s
b)
3.4 m/s
c)
4.6 m/s
d)
7.1 m/s
6.
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
7.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
8.
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.
9.
In an elastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and energy
10.
The recoil speed of a rifle is much less than the exit velocity of a bullet because...
a)
the rifle experiences a smaller force
b)
the rifle experiences a smaller change in momentum
c)
the rifle has a much greater mass
d)
the rifle does not obey the laws of physics
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