A particle is displaced from a position vector 4i^+2j^m to 2i^+3k^m by applying a force of f→=3x2i^+2yj^N. The work done is
-60J
60J
-120J
90J
W=∫Fxdx+∫Fydy+∫FzdzW=∫42 3x2dx+∫20 2ydy+0W=3x3342+2y2220W=(8−64)+(0−4)=−56−4W=−60J