10 - WORK AND ENERGY
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 scientific terms.
💡 Hint: Think about the formula W = F × s.
What is the unit of energy?
💡 Hint: It's the same unit as work.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of work?
💡 Hint: It's the same as the unit for energy.
True or False: Potential energy increases as an object is lifted above the ground.
💡 Hint: Memorize the formula E_p = mgh.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
An astronaut in space pushes off a satellite. Explain the work done despite the absence of gravity and how this relates to energy.
💡 Hint: Consider how forces can exist without gravity affecting work.
A child slides down a slide of height 5 m. Calculate the change in potential energy using a weight of 20 kg.
💡 Hint: Think about energy conversion in the fall.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.