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Machine left side of 200 kg in vertically upward direction if the machine is driven by freely falling mass of 40 kg through a distance of 8 metre in 4 second calculate force exerted by falling mass work done by falling mass power input of machine power output of machine if its efficiency is 75%
Asked by saritamehta3010980 | 23 Jan, 2020, 01:24: PM
answered-by-expert Expert Answer
Force exerted by falling mass = 40 × 9.8 = 392 N
 
workdone by falling mass = force × distance = 392 × 8 = 3136 J
 
Power out of machine with .75% efficiency = (3136/4)×0.75 = 588 W
Answered by Thiyagarajan K | 23 Jan, 2020, 03:05: PM

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