It states that if net torque acting on an isolated system is zero, the angular momentum remains conserved.
Since Torque is equal to the rate of change of angular momentum so when torque is zero,
dL/dt=0
So,...
QUESTION
A This rigour, as historians will tell you, is a matter of training, and of scholarly competence — not to be confused with a Right way or a Left way.
B It is with this perspective that...