Question

A machine has velocity ratio of 5 and is 80% efficient. Calculate its mechanical advantage.

Answer 1

Answer: 25/5) / .75

e = L/E * 1/Vr = 0.75,

25/E * 1/5 = 0.75,

e = efficiency.

E = effort in Newtons.

Vr = velocity ratio.

80%/5=2000N

Explanation:

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