State the principle of conservation of angular momentum.

Law of conservation of angular momentum

According to the principle of conservation of angular momentum, if moment of inertia of a rotating body decreases, then its angular velocity

How does an ice-skater, a ballet dancer or an acrobat take advantage of the principle of conservation of angular momentum ?

Explain how is a cat able to land on its feet after a fall taking advantage of the principle of conservation of angular momentum ?

If the earth suddenly contracted to half of its present radius without losing any mass, how many hours would there be in a day? (hint: Apply the principle of conservation of angular momentum).

Define the principle of conservation of linear momentum. Deduce the law of conservation of linear momentum from Newton’s third law of motion.

State and explain the principle of conservation of linear momentum. Establish the same using Newton's third law of motion.

State the law of conservation of angular momentum. Give some examples in which this law is obeyed.