The motor of one car is more powerful than the motor of another car. Which of the following must be true of the more powerful motor?
A)It can do work more quickly.
B)It can operate for a longer time.
C)It can burn fuel more eficiently.
D)It can store more potential energy.

Question

Quizplus · Accepted Answer

A more powerful motor can do work more quickly because power is defined as the rate at which work is done or energy is transferred. The other options (B, C, D) do not necessarily follow from a motor being more powerful.

The Motor of One Car Is More Powerful Than the Motor