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

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

A small roller of a diameter 20cm has an axle of diameter 10cm. It is on a horizontal floor and a meter scale is positioned horizontally on its axle with one edge of the scale on top of the axel. The scale (meter stick) is now pushed so that the roller moves without slipping. After the roller has oved 50cm the scale will look like…

Next video in this series can be seen at:
https://youtu.be/ulSldENqUlU