Practice - Introduction to Work, Energy, and Power
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Practice Questions
Test your understanding with targeted questions
Define work in your own words.
💡 Hint: Think about how work relates to force and movement.
What is the formula for calculating kinetic energy?
💡 Hint: Recall the variables in the kinetic energy formula.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the unit of work?
💡 Hint: Recall the basic units of physical quantities.
True or False: Energy and work have the same unit.
💡 Hint: Think about the definitions and relationships of both concepts.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A 5 kg object is lifted to a height of 10 m. Calculate the work done against gravity and the potential energy gained.
💡 Hint: Recall that work against gravity is the same as the gravitational potential energy gained.
If a power lifter raises a 200 kg weight to 2 meters in 4 seconds, what is the power output?
💡 Hint: Start by figuring out the total work done in lifting the weight.
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Reference links
Supplementary resources to enhance your learning experience.