A Machine is Said to be Ideal When

By Mohit Uniyal|Updated : July 18th, 2022

A machine is said to be ideal when

A. Work output of the machine is greater than its work input.
B. Work input of the machine is greater than its work output.
C. Work output of the machine is equal to its work input.
D. Machine is not working.

Answer: C - The work output of the machine is equal to its work input.

A machine is said to be ideal when the work output of the machine is equal to its work input.

Solution:

A machine is said to be ideal when the work output of the machine is equal to its work input. Hence, the efficiency of an ideal machine is 100% (i.e., there is no wastage of work done on the machine). An ideal machine is also called a perfect machine.

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