Practice - Energy: The Fundamental Ability to Cause Change
Practice Questions
Test your understanding with targeted questions
What is energy?
💡 Hint: Think about what allows things to move or change states.
Name two forms of energy.
💡 Hint: Consider energy when an object is moving or at rest.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is energy?
💡 Hint: It's what powers movement and change!
True or False: Energy can be created and destroyed.
💡 Hint: Remember the law you just learned!
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Challenge Problems
Push your limits with advanced challenges
A skateboarder at the top of a ramp (height = 3m) has a mass of 60 kg. Calculate their potential energy before they descend. Assume g = 9.81 m/s².
💡 Hint: Use the potential energy formula mgh.
A car of 1200 kg is moving at a speed of 20 m/s. Calculate its kinetic energy.
💡 Hint: Substitute into the kinetic energy formula.
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Reference links
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