A.3 - Work, Energy, and Power
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
Define work in a physics context.
💡 Hint: Think about what happens when a force moves an object.
What is the formula for kinetic energy?
💡 Hint: Remember what 'm' and 'v' represent.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work?
💡 Hint: Work involves force and displacement.
Is gravitational potential energy dependent on height?
💡 Hint: Think of energy related to vertical position.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A 5 kg object is lifted 2 meters high. Calculate its gravitational potential energy.
💡 Hint: Think about height and mass.
A car with a mass of 1000 kg accelerates from 0 to 20 m/s. Calculate the change in kinetic energy.
💡 Hint: Use the kinetic energy formula before and after acceleration.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.