6) A 2.0 kg particle is moving such that its position vector (r) relative to the
origin is r =(-2.0*t**2 i + 3.0 j) m. What is the torque (about the origin) acting
on the particle at t=2.0 s?
A1
24 k
N.m
A2 -36 k
N.m
A3 -24 k
N.m
A4 -48 k
N.m
A5
0