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Questions and Answers
What is the necessary condition for work to be done?
What is the necessary condition for work to be done?
- The force must act through a distance. (correct)
- The force must be perpendicular to the displacement.
- The force must be constant.
- The force must be greater than the displacement.
What is the unit of work in the SI system?
What is the unit of work in the SI system?
- Pascal·cubic meter (Pa·m^3)
- Kilogram·meter per second squared (kg·m/s^2)
- Joule (J)
- Newton·meter (N·m) (correct)
Which of the following is a method of finding work done by a force?
Which of the following is a method of finding work done by a force?
- Graphical method (correct)
- Integration method
- Vector method
- All of the above
What is the equation for work done by a constant force?
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?
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?
What is the nature of work?
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What is the consequence of a zero displacement?
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?
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?
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?
What is the condition for a force to do no work on an object?
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