Aastha Vats , asked a question
Subject: Science , asked on 3/10/10

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

Chiranjib Mohanty , added an answer, on 5/12/10
2 helpful votes in Science

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 carrying a Load in his head.

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