Momentum is constant

If there is no external force applied to system of objects, the total momentum of this system remains constant during and after any interactions between objects. The total momentum of the system is the sum of momenta of every object in this system.

Conditions:

  1. The system is closed.

Links:

  1. Wikipedia.

time

time.

Symbol:

t

Latex:

\(t\)

Dimension:

time

momentum

momentum of the system as a function of time.

Symbol:

p(t)

Latex:

\(p{\left(t \right)}\)

Dimension:

momentum

law

Derivative(p(t), t) = 0

Latex:
\[\frac{d}{d t} p{\left(t \right)} = 0\]