Practice - Work and Power: How Energy is Transferred
Practice Questions
Test your understanding with targeted questions
What is the formula for work?
💡 Hint: Think about how force and distance relate to doing work.
If a force of 30 N moves an object 4 m, how much work is done?
💡 Hint: Use the Work formula W = F x d.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the formula for work?
💡 Hint: Think about how you calculate distance with respect to force.
True or False: Power is independent of time.
💡 Hint: Reflect on the definition of power.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A student does 540 J of work lifting a crate. If they took 30 seconds to do this task, what is their power output?
💡 Hint: Apply the power formula considering work done and time.
If a machine lifts an object vertically with a force of 120 N for a distance of 4 m in 8 seconds, calculate both the work done and the power output.
💡 Hint: Calculate work first, then use that value to find the power.
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Reference links
Supplementary resources to enhance your learning experience.