2.2 - Energy
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Practice Questions
Test your understanding with targeted questions
What is energy?
💡 Hint: Think of what is needed to perform work.
Define kinetic energy.
💡 Hint: Remember the formulas we discussed.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the SI unit of energy?
💡 Hint: Think about the unit used to measure work.
True or False: Kinetic energy increases with increased velocity.
💡 Hint: Consider the kinetic energy formula.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A rock weighs 10kg and is dropped from a height of 15m. Calculate the kinetic energy just before it strikes the ground. (Assume g = 9.8 m/s²)
💡 Hint: Use conservation of energy principles to solve.
A vehicle travels at 60 km/h. Find its kinetic energy if its mass is 1000 kg (convert speed to m/s).
💡 Hint: Remember to convert units where necessary.
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