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CBSE Class 9 Answered

What is work done?
Asked by Mahakurbishnupada | 08 Oct, 2019, 14:52: PM
answered-by-expert Expert Answer
Work is said to be done when an object displaced by certain distance on application of force.It is a scalar quantity. SI unit of work is Joule.
Answered by Utkarsh Lokhande | 09 Oct, 2019, 11:08: AM

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CBSE 9 - Physics
If person A reaches the 2nd floor Of a shopping mall by lift and Person B reaches the same floor by stairs and both their masses are same. Is work done by person B is greater than Person A  against gravitational force.Justify your answer
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
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CBSE 9 - Physics
Work done does not depend on the distance travelled. Give reason.
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CBSE 9 - Physics
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