> potential energy surface of gravitation extends in 1/r What does this mean? Gr... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		dahart 9 months ago \| parent \| context \| favorite \| on: Microgravity 101 > potential energy surface of gravitation extends in 1/r What does this mean? Gravity falloff is 1/r^2 right?

T-A 9 months ago | [–]

Gravitational attraction falls off as 1 / r^2; potential energy falls off as 1 / r. The former (a force) is the derivative of the latter.

https://en.wikipedia.org/wiki/Gravitational_energy#Newtonian...

RunningDroid 9 months ago | [–]

GP may have used superscript that got stripped, here's a test with normal numbers followed by the superscript version : 0⁰ 1¹ 2²

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact