What is the mechanical advantage of a hockey stick that is gripped at point D and hits the puck at point A?
2 answers:
Mechanical advantage = Effort distance/Resistance distance
Effort distance = D - Fulcrum = 0.5 m
Resistance distance = A - Fulcrum = 2.0 m
Then,
Mechanical advantage = 0.5/2 = 0.25
Hockey stick is an example of third class where mechanical advantage is less than one as the speed of the end of point A is critical.
Mechanical advantage is 0.5/2 = 0.25
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