science PLEASE!

Remember, the treadmil is a machine. What is the inpput force exerted by the man inside the whill?? what is the output force exerted upon the water rising from the well? waht is the mechanical advantage of this machine? the man wt is 75kg. he raises his body 0.5 m the water wt. 750 kg every time he steps he raises the water .05m

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