1.5 simple biomechanics
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define force
• push or pull action • applied upon an object
newton 2nd law
force = mass * acceleration
how does change in force affect speed
cause acceleration/deceleration
what are the forces acting upon a moving performer
• gravity • air resistance • muscular force
what are the forces acting upon a sprinter in the blicks
• gravity • ground reaction force • air resistance
what are the forces acting upon an object flying through the air
• force applied at release • air resistance • gravity
explain gravity
explain air resistance
explain muscular force
explain ground reaction force
explain force applied at release
rule for identifying lever
FRE 123
example of first class lever
example of second class lever
e
example of third class lever