Physics: what is angular momentum?

Minute Physics explains what is angular momentum. Basically, angular momentum comes into play when something moves in a circular path. A planet orbiting a star is such an example or a bike wheel rotating is another example.

Momentum ( p = m * v) is in regards to movement in a straight line, angular momentum is about moving in circles (L = r * m * vt). One thing to note is that angular momentum in regards to a certain point is always conserved. If you then move the object not in a circular path, but in a straight line and calculate the angular momentum in regards to the initial point, you’ll get the same result.

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