In each of the following cases, two objects (labeled A and B) collide. Consider

Question

In each of the following cases, two objects (labeled A and B) collide. Consider the magnitude of the force that object A exerts on object B during the collision, and compare it to the magnitude of the force that object B exerts on object A during the collision. Identify whether you expect the two forces to be the same or, if not, which one should be greater. JUSTIFY YOUR ANSWERS 1) A andB are identical objects, and B is at rest before the collision. 2) A and B are identical objects moving towards each other at the same speed. 3) A is much more massive than B, and B is at rest before the collision. 4) A is much more massive than B, and A is at rest before the collision .

Explanation / Answer

2) A and B are identical objects moving towards each other at the same speed.beacuse if they are travelling at different velocitys then the momentum it exerts on each other will defer vut given that they exert equal forces .. so they both must be equal and travelling at same velocity ... we know that momemtum =mass*velocity

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