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levers (. (Bones are the lever, The joint is the pivot, Muscles provide…
levers
.
Bones are the lever
The joint is the pivot
Muscles provide the effort
The load is often the weight of the body parts needed to be moved.
class 1 lever:
F L E
1 2 3
class 2 lever
effort+load working the same way
fulcrum in the middle
load in the middle
fulcrum and effort at the end
class 3 lever
effort is in the middle
fulcrum and load is at either end
sports example
sports example
headering a football
standing on your toes
sports example
bicep curl
axis &