question_answer

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