Why object will overturn when touch right side of object ?

asked 2013-09-28 02:12:25 -0500

lian gravatar image

My system is ubuntu12.04 and ros groovy. I try to touch right side of object, but object will overturn.

The picture is

  http://imgur.com/txoS3tL

Look red block area.

Theoretically object should be counterclockwise rotation .

How to solve it ?

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