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How can friction be essential to man?

Updated: 8/9/2023
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15y ago

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We ought to be grateful for friction, since it allows us to be mobile (move around). When we take a walk, our feet experience friction with ground beneath us, and this allows us to "push" off the ground. (We actually push into the ground, and Issac Newton's 3rd Law of motion tells us that the floor pushes back with an equally strong force, so we move!) If it weren't for friction, our feet would just slide across the floor, and we would get nowhere in life.

We sort of experience the lack of friction a bit when we try to run across a freshly-waxed floor with socks on! The reduced friction makes it harder for us to move.

We also appreciate friction anytime we've had to slam on our brakes to avoid an accident!

If you were, somehow, able to remove it, then the entire universe would be completely different, from the behavior of atoms, to the structure of the universe, but does not depend solely on this one thing to be the way it is.

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13y ago
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15y ago

It is. The penis [thats what youre talking about right?] is primarily stimulated by friction. too much friction isn't good, but not enough is worse..

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