Questions and Answers
What is the necessary condition for work to be done?
The force must act through a distance.
What is the unit of work in the SI system?
Newton·meter (N·m)
Which of the following is a method of finding work done by a force?
Graphical method
What is the equation for work done by a constant force?
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What is the consequence of a force being perpendicular to the displacement of its point of application?
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What is the nature of work?
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What is the consequence of a zero displacement?
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Which of the following is not a method of finding work done by a force?
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What is the relationship between the force and displacement for work to be done?
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What is the condition for a force to do no work on an object?
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