2.1.1 - Formula
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Practice Questions
Test your understanding with targeted questions
What is the formula for work?
💡 Hint: Think about the components of force and displacement.
What units are used to measure energy?
💡 Hint: Remember units for work and energy are the same.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for power?
💡 Hint: Consider how quickly work is done.
True or False: Zero work is done when there is no displacement.
💡 Hint: Think about the definition of work.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A cyclist applies a constant force of 50 N to pedal uphill at an angle of 20 degrees for a distance of 10 m. Calculate the work done by the cyclist.
💡 Hint: Remember to include the cosine of the angle.
A roller coaster with a mass of 200 kg reaches a height of 30 m. Calculate its potential energy at that height.
💡 Hint: Consider the mass, height, and gravity to find potential energy.
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