3. Work, Energy, and Power

Power — Quiz

Test your understanding of power with 5 practice questions.

Practice Questions

Question 1

What does power measure in physics?

Question 2

Which equation gives the average power?

Question 3

A student does $100\,\text{J}$ of work in $20\,\text{s}$. What is the average power?

Question 4

What is the SI unit of power?

Question 5

A force does work on an object, and the same amount of work is done in half the time. What happens to the average power?