A rectangular block of size `(bbxxh)` moving with velocity `v_(0)` enters on a rough surface where the coefficient of friction is `mu` as shown in figure. Identify the correct statement.
A. Thenet torque acting on the block about its COM is `mumg(h)/(2)` (clockwise)
B. the net torque acting on the block about its COM is zero
C. The net torque acting on the block about its COM is in the anticlockwise sense
D. None of the above.