10.3 - Rate of Doing Work
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Practice Questions
Test your understanding with targeted questions
What is the scientific definition of work?
💡 Hint: Consider displacement when thinking of work.
What unit is used for power?
💡 Hint: Remember that 1 W = 1 J/s.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is work defined as in physics?
💡 Hint: Think about how force interacts with movement.
True or False: Power is the same as work.
💡 Hint: Remember the definitions of both terms.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
A crane lifts a load of 500 kg to a height of 15 m in 20 seconds. Calculate the work done and the power output of the crane.
💡 Hint: Use both work and power formulas to solve.
If a person exerts a force of 200 N to move a box 3 meters and it takes 6 seconds, calculate both the work done and the average power.
💡 Hint: Calculate work first, then use that to find power.
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