The momenta of a body in two perpendicular directions at any time are given by and

PHYSICS · Single correct · CBSE · Physics · Force and Laws of Motion · Force and Laws of Motion

Problem

The momenta of a body in two perpendicular directions at any time

t

are given by

P_x = 2t^2 + 6

and

P_y = \frac{3t^2}{2} + 3

. The force acting on the body at

t = 2\,\text{s}

is (1) 5 units (2) 2 units (3) 10 units (4) 15 units