The first diagram is how the 'accordian' fits together, with 1kg at the front of 5mtrs, and the "1.5", (actually 2 sections) behind the pivot with a c/w. The blue circle is the fulcrum/pivot. Second picture is how it could operate, between this and horizontal, as well as extendding from 1mtr to...
My first question, so be kind (!)
Long time since I was at school, and can only remember the basics of beams and fulcrums. In essence, that a 1kg weight 5mtrs from a fulcrum / pivot needs 5kg at 1mtr to counterbalance. But what about the beam itself? Do the two sides cancel each other out?
For...