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

It's still 145 lbf and 145 lb mass. Under Earth's gravity the numbers are identical. (That is, a mass of 1 lb has a weight of 1 lbf).

The 10x difference comes in with metric units (kg and N).

Edit: might as well mention the rocketry connection... Probably the most well-known use of pounds-force is when discussing thrust of rocket engines (and other means of jet propulsion).



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

Search: