When slightly different weights are placed on the two pane of a beam balance, the beam comes to rest at an angle with the horizontal. The beam is supported at a single point P by a pivot.

Question

a) the net torque about P due to the two weight is non-zero in the equilibrium.

b) the whole system does not continue to rotate .

c) the centre of mass of the system lies below P.

d) the centre of mass of system lies above P.