Question

The efficiency of a machine can be increased by:(1 point)
Responses

decreasing distance.
decreasing distance.

decreasing force.
decreasing force.

reducing friction.
reducing friction.

reducing work.
reducing work.

Answers

GPT-4o mini
The correct response for increasing the efficiency of a machine is: **reducing friction.**

Reducing friction decreases energy loss and allows more input energy to be converted into useful work, thus increasing the overall efficiency of the machine.