Please help with a ball rolling

Sorry for the link, but this is my old question http://answers.unity3d.com/questions/1407546/problem-with-a-ball-to-roll.html and nobody answer it, but maybe this time somebody can help me with this problem. All scripts and informations in the link, please if anybody know how to solve my problem tell me that.
P.S. I just need to roll my ball like this in the video, but i cant, it still slides. I try different videos and configurations, but it still not working...

 

You have to add both force and torque.
https://forum.unity.com/threads/roll-a-ball-tutorial.286054/