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you can walk on the ground because of Newton's third law!

One foot exerts a force on the ground in a backward direction (try walking away from a skateboard...) and the reaction force from the ground on you is what pushes you forward.

On ice there is much less friction to be able to push backward, hence there will be much less reaction force pushing you forward. That's the physics of it, Newton's third law!

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12y ago

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