1. Foundations of Energy
Energy Basics — Quiz
Test your understanding of energy basics with 5 practice questions.
Practice Questions
Question 1
A closed system absorbs 300\,J of heat and does 150\,J of work. What is the change in its internal energy $\Delta U$?
Question 2
A motor draws 200\,W of power continuously for 2 hours. What is the energy consumed in megajoules (MJ)?
Question 3
Which of the following is a primary energy source?
Question 4
What is the rotational kinetic energy of a flywheel with moment of inertia $I=10\,\mathrm{kg\,m^2}$ rotating at angular speed $\omega=20\,\mathrm{rad/s}$?
Question 5
Which of the following is a path function rather than a state function?