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Hello prove thatif momentum is not always constantly as.... Snell lawrehan​

Answer»

Answer:

Momentum is always considered as only the perpendicular component having an effect. Same when billiard ball COLLIDE.

The reason is understood from SIMPLE classical mechanics :-

during a collision a normal force always is created always being perpendicular to the SURFACE (to the contact point). so only perpendicular acceleration can happen meaning only the perpendicular component of u can be altered.

Explanation:-

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