1.

When force (3,2,1)Newton acts on a body, dispalcement of the bodyin the direction ofY - axiss 5 meter . Work done is ……….

Answer»

15 Joule
10 Joule
5 Joule
None of these

Solution :Eork W = F.dBut , here dispalcement is in Y - AXIS
` :. W = 2xx5 = 10 J `
(Taking Y - COMPONENT of force )


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