3. Topic 3(COLON) Mechanics(COLON) Energy, Momentum and Circular Motion
Lesson 3.1: Work, Energy And Power — Quiz
Test your understanding of lesson 3.1: work, energy and power with 5 practice questions.
Practice Questions
Question 1
What is the formula for work done by a constant force when the angle between the force and the direction of motion is considered?
Question 2
If a car with a mass of $1000$ kg is moving at a speed of $20$ m/s, what is its kinetic energy?
Question 3
What is the gravitational potential energy of a $2$ kg object located $5$ meters above the ground? (Assume $g = 9.81 \, m/s²$)
Question 4
What is the principle of conservation of mechanical energy?
Question 5
When calculating power, what is the formula that relates power (P), work (W), and time (t)?