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Angular momentum is a physical quantity that represents the rotational motion of an object. It is defined as the product of an object's moment of inertia and its angular velocity. In simpler terms, it is the measure of how fast an object is rotating and how much mass is concentrated away from its axis of rotation.
According to the law of conservation of angular momentum, the total angular momentum of a system remains constant unless acted upon by an external torque. This means that in a closed system, the sum of initial angular momentum equals the sum of final angular momentum.
A collision is an event where two or more objects come into contact with each other, resulting in a change in their motion. Collisions can be elastic, where there is no loss of kinetic energy, or inelastic, where some kinetic energy is lost due to deformation or friction.
The law of conservation of momentum states that the total momentum of a closed system remains constant. In a collision, the total momentum of the system before the collision is equal to the total momentum after the collision, regardless of whether the collision is elastic or inelastic.
The law of conservation of energy states that energy cannot be created or destroyed, only transferred from one form to another. In collisions, the total energy of the system remains constant, but it may change from kinetic energy to other forms of energy, such as heat or sound, depending on the type of collision.
