the length of a lever of class 1 is 12 meter calculate the mechanical advantage of the lever if its fulcrum is located at a distance of 4 meter from the load.
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Explanation:
Length of the lever 2m=200 cm
Length of the effort arm 40 cm
Length of the load arm 200 cm−40 cm=160 cm
Mechanical advantage ?
We know that,
Mechanical advantage= Length of the effort arm / Length of the load arm
MA=
160 cm
40 cm
=0.25
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