2.3.1 - Definition
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Practice Questions
Test your understanding with targeted questions
What formula represents work done?
💡 Hint: Think about how force and direction interact.
What is the SI unit for work?
💡 Hint: Consider how work, force, and distance relate.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the formula W = F × s × cos(θ) represent?
💡 Hint: Consider the relationship between force, displacement, and angle.
Energy can be created or destroyed.
💡 Hint: Think back to the laws governing physical energy.
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Challenge Problems
Push your limits with advanced challenges
A ball with a mass of 2 kg rolls down a hill, converting its potential energy to kinetic energy. If it starts from a height of 5m, what will be its speed at the bottom of the hill?
💡 Hint: Energy conservation means potential energy at top equals kinetic energy at bottom.
Calculate the work done if a force of 50 N moves an object 4 meters in the direction of the force.
💡 Hint: Use the work formula directly with the given values.
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