Originally Posted by sureshs
That is what I am saying. If VR lies in that plane perpendicular to the strings, it is not an arbitrary vector, so it cannot be used to describe general situations.
What about red vector?
There is nothing special regarding it. It is also arbitrary vector. Give me any vector’s coordinates and I construct orthogonal plane to the string bed and vector will lie in this plane. How do you think I draw these vectors? I don’t use any extraordinary methods.
Anatoly Antipin - one of the most delicate tennis players in the world.
Last edited by toly; 08-14-2012 at 09:29 PM.