14.A single fixed pulley applies 20kgf force to lift a body weighing 18kgf. Calculate (i) MA of
the system(ii) What will be its velocity ratio if the force of friction is doubled for the same
pulley.
Ans. (i) MA=1
(ii) VR=1
The above answer was given by my school Can anyone please explain the solution step by step if possible.It will be really helpful!Thanks!
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