Physics, asked by samiya07, 1 year ago

Why can, t a machine be 100% efficient

Answers

Answered by anujpatil5070

Answer:

No machine can operate at 100 percent efficiency because some of the energy input will always be used to overcome the force of gravity and the effects of friction and air resistance. ... This tendency of systems to lose energy is called entropy. Entropy in a closed system never decreases.

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