5.1 - INTRODUCTION
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Practice Questions
Test your understanding with targeted questions
Define work in your own words.
💡 Hint: Think about how effort and movement relate.
What is kinetic energy?
💡 Hint: Remember the formula for kinetic energy.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the definition of work in physics?
💡 Hint: Think of how work is calculated mathematically.
Which of the following scenarios depicts energy being used?
💡 Hint: Consider different forms of activity that expends energy.
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Challenge Problems
Push your limits with advanced challenges
A 5 kg box is lifted to a height of 2 meters. Calculate the work done against gravity.
💡 Hint: Recall the weight and the height the box is lifted.
If a person exerts a force of 30 N to push an object a distance of 3 m in the direction of the force, what is the power exerted if the action takes 4 seconds?
💡 Hint: Break down the calculation into work done and then use it to find power.
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Reference links
Supplementary resources to enhance your learning experience.