If two balls of different masses and velocities collide head on, which statements correctly describe their collision?Multiple select question.The impulses imparted on them will be equal in magnitude and direction.The forces that they exert on each other will be equal in magnitude and direction.The impulses imparted on them will be equal in magnitude, but opposite in direction.The forces that they exert on each other will be equal in magnitude, but opposite in direction.
Question
If two balls of different masses and velocities collide head on, which statements correctly describe their collision?Multiple select question.The impulses imparted on them will be equal in magnitude and direction.The forces that they exert on each other will be equal in magnitude and direction.The impulses imparted on them will be equal in magnitude, but opposite in direction.The forces that they exert on each other will be equal in magnitude, but opposite in direction.
Solution
The correct statements are:
- The impulses imparted on them will be equal in magnitude, but opposite in direction.
- The forces that they exert on each other will be equal in magnitude, but opposite in direction.
Explanation:
According to Newton's third law of motion, for every action, there is an equal and opposite reaction. This means that the forces that the two balls exert on each other during the collision will be equal in magnitude but opposite in direction.
The impulse experienced by an object is the change in its momentum. Since momentum is a vector quantity (it has both magnitude and direction), the impulses imparted on the two balls will also be equal in magnitude but opposite in direction. This is because the change in momentum of one ball is the negative of the change in momentum of the other ball.
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