A force F = (5i + 3j + 2k ) N is applied on a particle which displaces from its origin to the point r = (2i + j ) m. the work done on the particle in joule is

Q: A force F = (5i + 3j + 2k ) N is applied on a particle which displaces from its origin to the point r = (2i + j ) m. the work done on the particle in joule is

(a) – 7

(b) + 7

(c) + 10

(d) + 13

Ans: (b)