A pulley system consisting of four pulleys has efficiency as 90 percent Calculate the mechanical advantage of the - Physics - Machines

Question

A pulley system consisting of four pulleys has efficiency as 90
percent Calculate the mechanical advantage of the system

Debalina Deb · Accepted Answer

Dear student,
no of pulley =velocity ratio (V R
)=4efficiency (η)=90%=90100=910M A V R =η⇒M A
=η×V R =910×4=3 6
Mechanical advantage =3 6
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A pulley system consisting of four pulleys has efficiency as 90 percent . Calculate the mechanical advantage of the system