eli5: how does it work that for every pound of weight you lose, there is a 4 pound stress reduction in your knees?

Question

eli5: how does it work that for every pound of weight you lose, there is a 4 pound stress reduction in your knees?

In: 1542

Answer 1

Earths gravity pulls us constantly *and exponentially.* the longer you fall towards the earth from above, the more you accelerate and thus, the more force your impact carries when you land.