2.1 - Definition of work
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Practice Questions
Test your understanding with targeted questions
What is the SI unit of work?
💡 Hint: Think of work and energy being measured the same way.
What formula do we use to calculate kinetic energy?
💡 Hint: Remember, mass and velocity are involved in this calculation.
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Interactive Quizzes
Quick quizzes to reinforce your learning
Which formula calculates work?
💡 Hint: Think about how direction affects work.
True or False: Work can be done without displacement.
💡 Hint: Consider the definition of work.
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Challenge Problems
Push your limits with advanced challenges
A hiker climbs a hill of 120 m height carrying a backpack of 15 kg. Calculate the potential energy gained by the backpack.
💡 Hint: Use the potential energy formula, and substitute the values properly.
A car has a mass of 1000 kg and accelerates from rest to a speed of 25 m/s. Calculate the work done on the car.
💡 Hint: Think of how work relates to the change in kinetic energy.
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