FearOfPhysics.com: Light Cart Crashes into a Heavy One

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Light Cart Crashes into a Heavy One

Here is a video clip of a cart moving in from the right, that will collide with the cart which is sitting at the middle of the track. The cart moving in from the right is lighter than the cart in the middle. Watch what happens. This is like a scooter colliding with the big-red-truck.

You can see that the light cart collides with, and pushes the heavy cart towards the left. In physics, we say the light carts transfers momentum to the heavy cart.

Also notice what happens to the light cart after the collision. Because the heavy cart is, well, heavier, the light cart "recoils" off of it, in the opposite direction from which it came! Quite a jolt! Scooter vs. Truck!

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