1. Classical Mechanics
Work And Energy — Quiz
Test your understanding of work and energy with 5 practice questions.
Practice Questions
Question 1
A block is pushed up a frictionless incline. Which of the following statements is true regarding the work done by gravity?
Question 2
A pendulum swings from its highest point to its lowest point. At the lowest point of its swing, which of the following is true about its kinetic and potential energy (assuming no air resistance)?
Question 3
A spring with a spring constant of $200 \text{ N/m}$ is stretched by $0.1 \text{ m}$. How much elastic potential energy is stored in the spring?
Question 4
In a system where only conservative forces are acting, if the kinetic energy of an object increases by $50 \text{ J}$, what must be the change in its potential energy?
Question 5
A car travels at a constant speed on a straight, horizontal road. Which statement correctly describes the net work done on the car?