3. Work, Energy, and Power
Power — Quiz
Test your understanding of power with 5 practice questions.
Practice Questions
Question 1
Which statement best describes power in physics?
Question 2
What is the SI unit of power?
Question 3
A student does $40\,\mathrm{J}$ of work in $5\,\mathrm{s}$. What is the average power?
Question 4
A force of $10\,\mathrm{N}$ acts on an object moving at a constant speed of $3\,\mathrm{m/s}$ in the same direction as the force. What is the power delivered by the force?
Question 5
A force of $12\,\mathrm{N}$ acts on an object, but the object moves at $4\,\mathrm{m/s}$ in a direction perpendicular to the force. What is the power delivered by the force?