2.5.2 - Formula
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Practice Questions
Test your understanding with targeted questions
Define work in physics.
💡 Hint: Think of force and movement.
What is the SI unit of energy?
💡 Hint: It's also the same unit for work.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work?
💡 Hint: Check the relationships of force and direction.
True or False: Energy can be created or destroyed.
💡 Hint: Think about the conservation of energy principle.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A car of 1200 kg speed at 15 m/s. How much kinetic energy does it have and what would be its energy if it were lifted to a height of 10 m?
💡 Hint: Calculate each separately using the respective formulas.
Calculate the power if a force of 200N does 400 J of work in 5 seconds.
💡 Hint: Use the power formula P = W/t.
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