Question

When the input work on a simple machine equals the _____ work, the machine is said to be 100% efficient.

Answer 1

Answer and explanation:

Output is the right answer because:

When output = input, efficiency = 100%

When output < input, efficiency < 100%

When output > input, efficiency > 100%

Hope this helped :3

Answer 2

Output

Step-by-step explanation:

When the input work on a normal machine is equal to the machines work output, the machine is said to be 100% efficient. As the formula of efficiency is the ratio of output work to the input work and if it is 1, the machine is said to be 100% efficient means their is no loss.