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please explain zero work once again..not able to understand it at all..in a simple language..?

Asked by Aastha Vats(student) , on 3/10/10



suppose u push a rock from moring to eveing the rock does not move then 0 work is done

Posted by Rakshak H(student)on 4/10/10

you 're absolutely wrong rakshak..

Posted by Aastha Vats(student)on 4/10/10

0 work means when no work is done eg : when a weight lifter lifts weight there he dose not do any work

Posted by Subham Bakshi(student)on 5/10/10

why he doesnt do any work he is lifting the rock which is against the force of gravity

Posted by Gayathri Jahan ...(student)on 18/10/10


i am suppose to say that when force is applied and the object does not displaces it then 0 work is done

Posted by Rakshak H(student)on 20/10/10

W=s.F.cosx . when a person tends to change the position of the objectbut there is no displacement by the applied force then the work done by the applied force onthe object is 0.

Posted by Mr. Poet (student)on 4/12/10

Friend the work done is zero in three conditions :

1) When there is no displacement

2) When the displacement is normal to the direction of force. Ex- A collie carryinga Load in his head.

Posted by Chiranjib Mohan...(student)on 5/12/10

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