Practice - Work, Power, and Energy
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Practice Questions
Test your understanding with targeted questions
Define work in your own words.
💡 Hint: Consider a simple example involving force and movement.
What unit is used to measure power?
💡 Hint: Think about how power relates to doing work over time.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for calculating work?
💡 Hint: Think about how force and distance relate to work.
Power is defined as the rate at which work is done. True or False?
💡 Hint: Think about the meaning behind what power represents.
1 more question available
Challenge Problems
Push your limits with advanced challenges
A circuit has a voltage of 24 V and a total current flow of 3 A. Calculate both the power and work done if the current flows for 10 seconds.
💡 Hint: Calculate power first and then use it to find work.
An electric heater operates at 1500 W for 3 hours. Determine the total energy consumed in kilowatt-hours and the cost if the energy price is $0.12 per kWh.
💡 Hint: Remember to convert watts to kilowatts first!
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Reference links
Supplementary resources to enhance your learning experience.