En Wed, 05 Sep 2007 06:45:29 -0300, Grzegorz Słodkowicz <[EMAIL PROTECTED]> escribi�:
> I believe vectors can only be added if they have the same point of > application. The result is then applied to the same point. You are talking about "forces", not "vectors" in general. Using the "point of application" is just a convenient way of condensing two things: the resultant force -a vector- and the resultant momentum -a pseudovector- into a single entity, and only makes sense for a rigid body. -- Gabriel Genellina -- http://mail.python.org/mailman/listinfo/python-list
