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"Abhi" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > "George Dishman" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>... > > > > http://www.dishman.me.uk/George/Abhi/abhi.gif > > > > To stop B moving, Newton's law says you need an equal > > and opposite reaction which is shown by the blue arrow. > > Without that, B will move in the direction of the green > > arrow. That is along the Y axis so they are right > > according to the standard rules of mechanics. > > Roger that. > > But my "illusion" will come to an end if few other people in this NG > confirm what you have said. I will repeat zillion times that in this > V-shaped spring, angle ABC is solid angle. Please read it again. I have explained in another reply that, although you say this, there is nothing in the diagram to make it happen. However, I also wanted to mention that your use of the phrase "solid angle" will be confusing to many people. This web page explains what solid angle means: http://en.wikipedia.org/wiki/Solid_angle You might use the term "fixed angle" instead. George
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