the mechanical advantage of a machine is 5 and its efficiency is 80%.it is used to lift a load of 500N to a height of 20 m calculate the effort distance
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Answer:
MA= load/ efficiency
effort= load/ MA
work out= load* displacement of load
efficiency= work output/work input
work input= work output/ efficiency
then u got answer
answer is 50000 J
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effort distance is 125m
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