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Old 9th Mar 2014, 10:16
  #13 (permalink)  
john_tullamarine
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Negative ... never really was keen on cherries ...

Shall we engage in a little game ...

(a) first, for convenience, put the 2T load on a single stiff (and, presuming an idealised situation .. massless) spreader of 3m by 1.5m ... are we happy that this alters nothing so far as loads are concerned ?

(b) let's cut the two load spreader planks of the original sketch into four by the expedient of cutting then at their midpoints .... are we happy that this alters nothing so far as loads are concerned ?

(c) let's replace the original two planks (now four) by four smaller items of, say, 0.5m by 0.5m and locate them under the corners of the single stiff spreader. Has this altered the loads at all ? By your original logic, evidently not.

(d) continue this until we have four little buttons of, say 1cm by 1cm. Has this altered the loads at all ? By your original logic, evidently not.

Over to you, good sir ....
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