We have two tension forces, so each has to be half as big.
A force of 500 N twice will balance the 1000 N force.
Now that's pretty amazing, of course, there is a caveat.
If I'm going to lift this 1 m high,
it turns out I'm actually going to have to pull down over a distance of 2 m.
Check out the link below this video to understand why this is the case.
