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"Abhi" <[EMAIL PROTECTED]> schrieb im Newsbeitrag news:[EMAIL PROTECTED] > This is the first time someone is going through same thought process > through which I have gone. I was just scratching my head day and night > for nine months. The mistake I made that I was using "BOLT"(!!!) > instead of "SPRING"(or any source of restoring force). If you use bolt > AB and CB instead of stretched springs and try to push ends A and C of > both arms in direction towards point B, same thing will happen which > you have shown in the figure. > > Just imagine that AB and CB are two "shock-ups" in which there is > "tremendous" restoring force directed towards point B, is acting at > point A and C. Now just put your both hands on end A and end C of > these shock-ups, What do you mean by "tremendous restoring force"? Will the springs want to stretch or shrink? More precisely, which way does your "restoring force" point to?' > > (1)will the vertex point B move in downward direction?(As, by this > time you know very well, angle ABC does not change.) Depends on the direction of the force of the springs. > > (2)if your hands are feeling restoring force in direction towards > point B ONLY, then why both ends of left and right arm will not feel > same force in direction towards point B ONLY? They will feel the whole thing twitching until it reaches equilibrium. And they will feel the distance AC change. > > (3)The biggest "trick" involved in this drama is that "if both ends of > left and right arm are feeling restoring force towards point B, these > arms just can't move in downward direction "AT EXACTLY SAME MOMENT"". As long as AD and CD can move freely and independently of each other they can. > I am going to recover myself psychologically and physically. Great idea. Greetings! Volker
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