2.5.1 - Statement
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Practice Questions
Test your understanding with targeted questions
What is the SI unit of work?
💡 Hint: Think about what unit describes energy.
Define kinetic energy in one sentence.
💡 Hint: Consider something that is moving.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work?
💡 Hint: Consider the angle's effect on work.
True or False: Energy can be created or destroyed.
💡 Hint: Remember the principle of conservation.
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Challenge Problems
Push your limits with advanced challenges
A 1,500 kg car is traveling at 20 m/s. Calculate its kinetic energy and then determine how much work is required to bring it to a stop.
💡 Hint: Remember, stopping means removing kinetic energy.
An object of mass 5 kg is lifted to a height of 10 meters. Calculate work done against gravity and its potential energy at that height.
💡 Hint: Use the mass, gravitational acceleration, and height to calculate both energies.
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