Asked by Ọnụ

The velocity ratio of a machine is 5 and it efficiency is 75%.what effort would be needed to lift a load of 25N with the machine?
Answered by Damon
(25/5) / .75
Answered by henry2,
e = L/E * 1/Vr = 0.75,
25/E * 1/5 = 0.75,

e = efficiency.
E = effort in Newtons.
Vr = velocity ratio.

Answered by Julius
80%/5=2000N
Answered by Messiluv
Calculate for M.A first
Then, get ur M.A as 3.75
And M.A = load ÷effort
E= 6.666N
OR
E ≈6.67N
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