MOMENTUM

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MOMENTUM
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MOMENTUM

• Momentum
• List 2 changes you could make to affect the pins
  in bowling
• (disregarding spin and angle you roll the ball)
• _______________________________________________
• _______________________________________________

-the mass of the ball
-the velocity of the ball

• Momentum is the ____________ of an object
  multiplied by its
• _____________.
• momentum __________ x ____________
• p _____ x _____

mass
velocity
velocity
mass
p
m
v
m
v
x
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-The total ______________ before and after a
collision is not changed by the
_______________. -The statement above is the law
of _______________________ of
______________________.
momentum
collision
conservation
momentum
Order the following objects from smallest
momentum to largest momentum slowly pitched
softball, circling mosquito, very slow moving
freight train, stopped freight train. ____________
____________________________________________ _____
__________________________________________________
_
stopped train (v0),
mosquito (small m v),
softball (larger m v),
moving train (slow, but very large mass)
2nd highest momentum
smallest momentum
2nd smallest momentum
largest momentum
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The incredible Hulk plans to stop a rolling
boulder from crushing innocent children. If the
boulder has a mass of 100 kg and is moving
towards him with a velocity of 6 m/s (north) than
what will be the momentum of the boulder that the
Hulk must overcome?
m x v
p
100 kg
6 m/s
x
p
600 kg m/s due North
p
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Conservation of Momentum
The total momentum of any given system will
remain constant unless acted upon by an external
force. or The momentum before a collision is
equal to the momentum after a collision.
Example You are rolling a bowling ball into
pins. Momentum of ball (before) MV Momentum
of pins (before) m0 Momentum of ball (after)
Mv Momentum of pins (after) mV Conservation
of momentum mv(ball )before mv(pins)before
mv(ball)after mv(pins)after