Question

5) The law of conservation of angular
momentum is applicable when
a) Torque is constant
b) force is constant
o work is constant
d) None of these.​

Answer 1

Answer:

Torque is constant

Explanation:

The law of conservation of angular momentum states that when no external torque acts on an object, no change of angular momentum will occur.

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Answer 2

Answer:

(a) Torque is constant

Explanation:

Conservation of angular momentum is one of the key conservation laws in physics, along with the conservation laws for energy and (linear) momentum. These laws are applicable even in microscopic domains where quantum mechanics governs; they exist due to inherent symmetries present in nature.

Calculation Angular momentum of a system is conserved as long as there is no net external torque acting on the system, the earth has been rotating on its axis from the time the solar system was formed due to the law of conservation of angular momentum