Q72. A force F=(5i-3j)N is applied over a particle which displaces it from its origin to the point r=(2i-1j)m. The work done on the particle is:Physics — Work, Power and Energy — Question 72 of 238A. -7 joulesB. +7 joulesC. + 13 joulesD. -11 joulesPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →