2.3.2 - Formula
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Practice Questions
Test your understanding with targeted questions
What is the formula for work?
💡 Hint: Remember the variables involved and the role of angle.
What does kinetic energy depend on?
💡 Hint: Consider the factors as described in the formula.
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Interactive Quizzes
Quick quizzes to reinforce your learning
The formula for work is W = F × s × cos θ. What does 'θ' represent?
💡 Hint: Think about how the angle affects the work done.
True or false: Energy can be created or destroyed.
💡 Hint: Consider the principle of energy conversion.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
An elevator lifts a 600 kg load to a height of 10 m. Calculate the work done by the elevator. (Hint: Use W = mgh. Consider g = 9.81 m/s².)
💡 Hint: Remember to multiply mass, gravity, and height.
A car accelerates from rest to 20 m/s. If the car has a mass of 1000 kg, find the work done on the car. (Hint: Use the work-energy theorem.)
💡 Hint: Calculate the first half of the kinetic energy formula.
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