Respuesta :

Answer;

M.A = 4.25

Explanation;

Mechanical advantage is the ratio of the force required to do something in comparison to the actual force required using a simple machine.

It is the ratio of output force to the input force.

M.A = Output Force/ Input Force

Out put force 85 Kg = 850 N

Input force = 200 N

Therefore;

M.A = 850 N/200 N

        = 4.25

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