chysaiba07 chysaiba07

14-09-2021
Physics

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It is not possible to get a perfect Machine in our practice, why?

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AnnaMarie572 AnnaMarie572

14-09-2021

Answer:

No machine is perfect because some part of the work done on a machine is always used up or wasted in overcoming the friction between the moving parts of the machine. If a machine is 80% of the work input to the machine is obtained as the useful work output.

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