Momentum is most similar to which other physics concept? Acceleration (Change in velocity over time)

Inertia (Newton's 1st Law of Motion)

Force (Newton's 2nd Law of Motion

Among force and impulse, There is a lesser calculation for impulse. Also, it has same dimensions as momentum. Hence that is most closely related.

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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