One of the universal theorems of dynamics. The content is that the increment of the momentum of an object is equal to the impulse of the total external force it receives, that is, Ft=Δvm, or the vector sum of the impulses of all external forces. If a system is not subject to external forces or the vector sum of the external forces it receives is zero, then the total momentum of the system remains unchanged. This conclusion is called the law of conservation of momentum. The law of conservation of momentum is one of the most important and universal conservation laws in nature. It applies to both macroscopic objects and microscopic particles; to both slow-moving objects and high-speed moving objects. It is an experimental law and can also be derived using Newton's second law and kinematic formulas.

Momentum Theorem Calculator

Momentum: ΔM = m*Δv

here

ΔM = change in momentum

m = mass

Δv = change in velocity