4 - Work, Energy and Power
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Practice Questions
Test your understanding with targeted questions
What is the SI unit of work?
💡 Hint: Think about energy measurement.
What does work equal?
💡 Hint: Consider the formula closely.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work?
💡 Hint: Look for the angle term in the formula.
True or False: Work can be negative.
💡 Hint: Think of friction acting on an object.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A 5 kg object is lifted to a height of 10 m. Calculate the potential energy gained.
💡 Hint: Use the potential energy formula.
If a machine does 300 J of work in 15 seconds, what is its power output?
💡 Hint: Remember to use the power formula.
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Reference links
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