Chap6_Momentum

# Chap6_Momentum - Chapter 6 Momentum What happens when...

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Chapter 6 Momentum What happens when Object A hits Object B?

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Momentum Momentum of an object is, Momentum = Mass X Velocity Examples of objects with large momenta are supertanker (large mass) and bullet (large velocity).
Momentum and Force To stop an object with a large momentum requires either: Large force (stopping the object quickly). Small force applied for a long time. Notice that changing object’s momentum depends on force and time interval: Impulse .

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Impulse The impulse given to an object is defined as, Impulse = Force on object X Time interval Objects have momentum. Impulse acts on an object.
Impulse is related to momentum by, Impulse = Change in momentum or Force X (Time interval) = Mass X (Change in velocity)

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A 1-ton car, going 80 km/h hits a 3-ton truck, going 40 km/h. Is the force of impact greater on the car or the truck? Is the impulse greater on the car or the truck? Greater change of momentum?
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Chap6_Momentum - Chapter 6 Momentum What happens when...

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