Maximum efficiency of a screw jack for the angle of friction θ, is Options: A . &nbspsin θ/(1 + sin θ) B . &nbsp(1 - sin θ)/sin θ C . &nbsp(1 + sin θ)/(1 - sin θ) D . &nbsp(1 - sin θ)/(1 + sin θ)

Maximum efficiency of a screw jack for the angle of friction θ, is

Question

Maximum efficiency of a screw jack for the angle of friction θ, is

Options:

A . sin θ/(1 + sin θ)

B . (1 - sin θ)/sin θ

C . (1 + sin θ)/(1 - sin θ)

D . (1 - sin θ)/(1 + sin θ)

Answer: Option D

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