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BASICS OF
MOMENTUM
Definition
• Momentum is the product of the mass of a body by its velocity.
• p = mass*velocity
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• unit is Ns or kgm/s
momentum (Ns)
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60mph
Car moving with velocity
0
Mass (kg) or velocity (m/s)
Graph of momentum against mass or velocity
Conservation of momentum
• In a closed system, the total momentum stays constant.
NO EXTERNAL FORCE
Initial momentum
A box of momentum ;)
stays the same with no
net force acting on it.
Final momentum
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