Physics, asked by debayanghosh2008, 6 months ago

MACHANUCAL ADVANTAGE OF A PULLEY IS ________THAN 100 PER CENT...

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Answered by ramakrishna1991moosh

ANSWER:

State two reasons, why the efficiency of a pulley system is not 100 per cent ...

06-Dec-2018 · (ii) Some effort is used up (wasted) in lifting up the movable block alongwith the load. On account of the above two reasons, effort applied is always more than the load lifted up and so the M.A. is always less then 1. Hence efficiency is always less than

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