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Impulse

Impulse. Impulse - the change in __________. Hitting something for a certain _____ _______ . I =. I =. Units =. The greater the force = the ____ the time interval. SO: the _____ damage that is done. Examples. How do airbags work?. Without air bags, you hit something and stop.

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Impulse

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  1. Impulse Impulse - the change in __________. Hitting something for a certain _____ _______ . I = I = Units = The greater the force = the ____ the time interval. SO: the _____ damage that is done

  2. Examples How do airbags work? Without air bags, you hit something and stop Stopping an object gradually; Harder surfaces = _______ time, ______ damage Impulse Example: Haystack or Brickwall?

  3. Impulse momentum Impulse - the change in __________. Hitting something for a certain _____ _______ . time period (Force) x (time interval) I = I = (F)(∆t) N s Units = smaller The greater the force = the ___________ the time interval. SO: the ________ damage that is done more

  4. Examples How do airbags work? They extend time so force is less. Without air bags, you hit something and stop in a brief time period. Stopping an object gradually = reduces damage shorter more Harder surfaces = _______ time, ______ damage Impulse Example: Haystack or Brickwall? WHY??

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