Impulse - Copyright by Holt, Rinehart and Winston. All...

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Unformatted text preview: Copyright by Holt, Rinehart and Winston. All rights reserved. Objectives Compare the momentum of different moving objects. Compare the momentum of the same object moving with different velocities. Identify examples of change in the momentum of an object. Describe changes in momentum in terms of force and time. Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum Which has more momentum, a small car or a large truck traveling the same velocity? 1. the car 2. the truck 3. they both have the same momentum 4. cant tell without knowing how fast Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum Which has more momentum, a small car or a large truck traveling the same velocity? 1. the car 2. the truck 3. they both have the same momentum 4. cant tell without knowing how fast Momentum is proportional to both mass mass and velocity velocity . Since both vehicles have the same velocity, the one with more mass mass has more momentum momentum . v P m = Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum (2) Which has more momentum, a small car traveling at 30 m/s or the same car traveling at 60 m/s? 1. the car traveling 30 m/s 2. the car traveling 60 m/s 3. they both have the same momentum 4. cant tell without knowing the mass of the car Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum (2) Which has more momentum, a small car traveling at 30 m/s or the same car traveling at 60 m/s? 1. the car traveling 30 m/s 2. the car traveling 60 m/s 3. they both have the same momentum 4. cant tell without knowing the mass of the car If two objects have the same mass mass , the one with the greater greater velocity has more more momentum. m P v = Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum (3) Which has more momentum, a small car that is moving at 1 m/s or a large truck at rest? 1. the car 2. the truck 3. they both have the same momentum Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum (3) Which has more momentum, a small car that is moving at 1 m/s or a large truck at rest? 1. the car 2. the truck 3. they both have the same momentum An object that is not moving has no no momentum. Even a mouse that is scurrying across the floor has more momentum than an elephant that is standing still. Copyright by Holt, Rinehart and Winston. All rights reserved. Concept Check Momentum & KE A system of particles is known to have a total kinetic energy of zero....
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Impulse - Copyright by Holt, Rinehart and Winston. All...

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