Questions and Answers
What does negative work indicate in the context of classical mechanics?
The force is tending to slow the object down
Which of the following is an example of negative work being done?
Someone pushes you
What is the relationship between work and change in kinetic energy according to the work-energy theorem?
When work is done on an object, there will be a change in kinetic energy
What is the unit of energy used for measuring energy?
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In the context of classical mechanics, when does negative work occur?
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What does the work-energy theorem state?
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What is the formula for power in the mks system of units?
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What is the unit of power in the mks system of units?
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How many watts are in a kilowatt?
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In the British system of units, power is measured in:
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If a force of 20 N pushes an object a distance of 5 m, how much work is done?
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If 500 J of work is done in 10 s, what is the power?
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