The gravitational field in a region due to a certain mass distribution is given by →E=(4^i−3^j) N/kg. The work done by the field in moving a particle of mass 2 kg from (2 m,1 m) to (23 m,2 m) along the line 3x+4y=10 is
Key Concept: When field vector is constant, V=−→E.→r |