Answer the following questions:
(1) Can a machine have an efficiency of 100%? Why?
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Answered by
1
Answer:
A machine cannot be 100 percent efficient because output of a machine is always less than input. A certain amount of work done on a machine is lost to overcome friction and to lift some moving parts of the machine.
Answered by
0
Answer:
A machine cannot be 100 percent efficient because output of a machine is always less than input. A certain amount of work done on a machine is lost to overcome friction and to lift some moving parts of the machine.
it is the correct answer of the question given
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