Question

1 is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work).
a work
b power
c efficiency
d mechanical advantage

Explanation:

• Work is the transfer of energy that occurs when a force is applied over a distance.
• Power is the rate at which work is done.
• Efficiency is calculated as the ratio of output work to input work, expressed as a percentage.
• Mechanical Advantage is the ratio of the output force to the input force.

Answer:

C. Efficiency