Visit http://ilectureonline.com for more math and science lectures!

To donate:
http://www.ilectureonline.com/donate
https://www.patreon.com/user?u=3236071

We will find F=? needed for a person of mass W to pull himself up with a 2 pulley system attached to the ceiling. Ex. 10

Previous video in this series can be seen at:
https://youtu.be/zzl0CGgrIm4
First video in this series can be seen at:
https://youtu.be/6GuldysCVjI