PHYSICS A2 FORCE AND MOMENTUM

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  • Created by: Kevinsito
  • Created on: 14-09-15 22:25
Momentum
Momentum = mass x velocity
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Unit of momentum
kgms(-1) or Ns.I
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Newton's second law of motion
the rate of change of momentum is proportional to the resultant force on it.
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Impulse
Impulse = force x the time for which the force acts.
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What does the area under a Force-time graph represent?
Impulse (change of momentum)
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Newton's third law of motion
When two objects interact, they exert equal and opposite forces on each other.
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Principle of conservation of momentum
For interacting objects, total momentum remains constant, provided no external resultant force acts on them.
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Elastic Collision
No loss of kinetic energy.
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Inelastic Collision
Colliding objects stick together.
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Other cards in this set

Card 2

Front

kgms(-1) or Ns.I

Back

Unit of momentum

Card 3

Front

the rate of change of momentum is proportional to the resultant force on it.

Back

Preview of the back of card 3

Card 4

Front

Impulse = force x the time for which the force acts.

Back

Preview of the back of card 4

Card 5

Front

Impulse (change of momentum)

Back

Preview of the back of card 5
View more cards

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