Momentum.

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Presentation transcript:

Momentum

How is momentum calculated? Momentum depends on 2 things Mass Velocity

How is momentum calculated? Use the triangle method again! Momentum Velocity Mass

How is momentum calculated? Use the triangle method again! Momentum = Mass * Velocity Units = kg * m/s

How is momentum calculated? Use the triangle method again! Mass = Momentum/Velocity Units = kg

How is momentum calculated? Use the triangle method again! Velocity = Momentum/Mass Units = m/s

How is momentum calculated? Use the triangle method again! Velocity = Momentum/Mass Units = m/s

Examples Miss Falk wants to determine the momentum a matchbox car releases down the hot-wheels ramp. What 2 things does she need to determine? ________________________ What does she need to measure to calculate speed? __________________ Mass and velocity (speed) Distance of Track & Time

Examples Miss Falk wants to determine the momentum a matchbox car releases down the hot-wheels ramp. Record data and calculations below: Write the momentum of the car: ________________________________

Examples A ball with a mass of 2Kg has a momentum of 25 kg·m/s. What is the ball's speed? 12.5m/s

Examples A ball with a mass of 1.5Kg is thrown at a speed of 10 m/s. What is the ball's momentum? 15kg * m/s

Examples A ball is moving at a speed of 7.0 m/s and has a momentum of 100 kg·m/s. What is the ball's mass? 14.3 kg

What is the relationship between momentum, mass, and velocity? Mass and velocity both affect momentum To determine how, just look at the math problem

What is the relationship between momentum, mass, and velocity? To increase momentum: _____________ the mass of the object _____________ the velocity of the object Increase Increase

What is the relationship between momentum, mass, and velocity? To decrease momentum: _____________ the mass of the object _____________ the velocity of the object Decrease Decrease