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Momentum










Apply a net external force in the opposite direction for a specific period of time.
“Impulse”
How do you stop an object with momentum?

Impulse

Recall: 2nd Law of Motion

IMPULSE-MOMENTUM THEOREM













decrease impact force by increasing time

IMPULSE-MOMENTUM THEOREM
How do you decrease the impact force?

Collision

LAW OF CONSERVATION OF MOMENTUM

Elastic Collision



Elastic Collision of equal masses




Inelastic Collision



Perfectly Inelastic Collision









2D Collision







c.) change in momentum instead of speed

