>can't create a perpetual motion machine because friction
>therefore one can make one in space since there is no friction
>other people: NO NO NO YOU CAN'T REEEEE
Seriously why can't people be consistent with their bullshit? If there is no friction in space then objects can move forever as long as they don't collide with another object itself or it's gravitational pull, if objects can eventually slow down to a halt then friction does exist in space