Linear momentum and impulse | AP Physics | Khan Academy

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An object’s linear momentum is the product of its mass and velocity. Momentum is a vector quantity and has the same direction as the velocity. The rate of change of a system’s momentum is equal to the net external force exerted on that system. Impulse is defined as the integral of the net force exerted on an object or system over a time interval. The impulse-momentum theorem relates the impulse delivered to an object and the object’s change in momentum.

Sections:
00:00 - Momentum and Newton's second law
02:23 - Impulse and the impulse-momentum theorem
04:32 - Catching a baseball
08:17 - Force vs. time graphs
13:54 - Momentum vs. time graphs

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