A particle of mass 0.2 kg moves along a path given by the relation :

→ ∧ ∧
r = 2 cos ωti + 3 sin ωtj.

Then the torque on the particle about the origin is :

∧
A. √13K Nm
_ ∧
B. √2/3K Nm
_ ∧
C. √3/2K Nm
→
D. 0