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Mythbusters - Crash Force - Awesome Test

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Video - MythBusters - Crash Force

Mythbusters crew decided to revisit an old myth that was drawing the ire of the show's fans for quite some time. And it's sure to be an interesting topic to automotive enthusiasts.

When two cars collide, each traveling 50 miles per hour, does the resulting force equal one car hitting an immovable object at 100 miles per hour?

It seems like such simple physics, no? But don't forget Newton's third law. To quote the great Wikipedia of knowledge, "Whenever a first body exerts a force F on a second body, the second body exerts a force −F on the first body. F and −F are equal in magnitude and opposite in direction." Or, more simply, for every action there is an equal and opposite reaction.

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It all depends on the mass and "coefficient of friction" of the cars wheels to ground.

It's like a moving car hitting a bug. The change in velocity the bug withstands is MUCH greater than the cars'- therefore more destruction.

I remember these stupid terms from all the physics classes i've taken :wacko:

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