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SL ARORA-Work, Energy and power-EXERCISE
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- What do you mean by work done by a force ?
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- State the factors ono which work done by a force depends.
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- What should be the angel between the direction of force and displaceme...
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- State the conditions under which a force does no work.?
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- What is work done in holding a 15kg suitcase while waiting for a bus f...
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- A man tries hard to push a loaded truck but fails to move it. In tis c...
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- What is work done by the force of tension in the string of a simple pe...
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- Is work a scalar quantity or a vector quantity ?
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- The area under force-displacement curve represents
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- Moment of a force and work done by a force have same units. What is th...
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- Name and define SI unit of work.
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- How many joules make up one erg ?
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- What do you mean by gravitational unit of work ?
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- State gravitational unit of work in SI.
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- Find the number of joules in the gravitational unit of work in SI.
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- A man runs a distance on a level road. The same man ascends up a hill ...
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- Give an example in which a force does work on a body but fails to chan...
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- Does the work done in moving a body depend on how fast or how slow the...
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