I mean, I always used to fancy as a kid why can’t we use magnets to keep a fan going in circles? Why can”t we create a perpetual machine using magnets? Even if the magnets get worn out, we can still use them for considerable time. What is the science behind it that makes it impossible?
In: Engineering
Adding magnets is similar to digging in the ground and making hills and valleys.
When you’re done, and you put a marble/iron ball on the top of a hill, it will roll around for a while.
But no matter how you set things up, eventually friction will slow the ball down and stop it.
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