Thursday, February 24, 2011

 

Ground Reaction Force

Ground Reaction Force: The reaction to the force you exert on the ground and is the most important external force acting on human motion

Potentially the most damaging force affecting human motion

Such as, if you jumped off the bottom step of a staircase and locked your knees

Example:

If you drop a basketball on cement, it absorbs the force and bounces

If you drop a glass bottle, it shatters


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