Question

What do you understand by the term efficiency of machine ?

Answer 1

Answer:

Efficiency machine is the robot

Explanation:

Efficiency machine is the robot

Answer 2

Answer:

The ratio of the work done by the machine to the work done on the machine is called efficiency of a machine.

Explanation:

Efficiency=   Input energy  / Output energy

[Work done by a machine is called the output energy and the work done on a machine is called the input energy.]

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