1.

A force \[\vec{F}=(5\hat{i}+3\hat{j})\ N\]is applied over a particle which displaces it from its original position to the point \[\vec{s}=(2\hat{i}-1\hat{j})\]m. The work done on the particle is                                                 [BHU 2001]

A.                 + 11 J    
B.                 + 7 J
C.                 + 13 J    
D.                 ? 7 J
Answer» C.                 + 13 J    


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