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  • Newton's Third Law & Collisions: Equal & Opposite Forces Explained
    Yes, when two bodies collide, they apply the same force on each other, but in opposite directions. This is a fundamental principle of physics known as Newton's Third Law of Motion, which states:

    "For every action, there is an equal and opposite reaction."

    Here's why this applies to collisions:

    * Action-Reaction Pairs: When two bodies collide, each body exerts a force on the other. These forces are equal in magnitude but opposite in direction.

    * Simultaneous Forces: These forces occur simultaneously. The moment one body exerts a force on the other, the second body exerts an equal and opposite force back on the first.

    * Conservation of Momentum: The equal and opposite forces result in the total momentum of the system (both bodies) being conserved. Momentum is a measure of mass in motion.

    Example:

    Imagine a car colliding with a stationary truck.

    * The car exerts a force on the truck (causing it to move).

    * At the same time, the truck exerts an equal and opposite force on the car (causing it to slow down or change direction).

    Important Note: The effects of these forces might not be the same. For example, the car might experience more damage because it has less mass than the truck. However, the forces themselves are equal and opposite.

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