4. Mechanics
Energy Work — Quiz
Test your understanding of energy work with 5 practice questions.
Practice Questions
Question 1
What is the formula for calculating power?
Question 2
A car of mass $1200\text{ kg}$ accelerates from rest to a speed of $15\text{ m/s}$. What is the change in its kinetic energy?
Question 3
Which of the following statements is true regarding conservative forces?
Question 4
A block slides down a frictionless ramp from a height of $10\text{ m}$. What is its speed at the bottom of the ramp? (Assume $g = 9.8\text{ m/s}^2$)
Question 5
What is the gravitational potential energy of an object of mass $3\text{ kg}$ at a height of $5\text{ m}$? (Assume $g = 9.8\text{ m/s}^2$)