Momentum

DESCRIBE THE MOMENTUM OF OBJECTS

BEFORE AND AFTER COLLISIONS.

Momentum

Terms and Definitions

MomentumMomentum A quantity defined as the

product of the mass and velocity of an object

Conservation of Conservation of MomentumMomentum Momentum Before =

Momentum AfterImpulseImpulse

Product of force acting upon a body and the time during which it acts

The change in momentum

Equations

Variable

Equation

MKS Units

English Units

Momentum

p p = mv kg x m/s slugs x ft/s

Impulse ∆p Ft N x s Lbs x s

ProblemProblem AnswerAnswer

Calculate the momentum of a 6.00 kg bolwing ball moving at 10.0 m/s down the alley toward the pins.

m = 6 kg v = 10 m/s p = ? p = mv p = (6)(10) p = 60 kg x m/s

Sample Problem