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# MEI Mechanics 2 Moments

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1. A non-uniform beam PQ of length 4m and weight 400N is held horizontally by smooth supports at R and S where PR = SQ = 1m. A boy of weight 500N can just stand at end P without the beam overturning.

(i) Find the position of the centre of mass of the beam
(ii) The boy walks towards Q. Find the distance from Q when the beam is about to tip.

Edit : I got it now, didn't need help after all It can be deleted.
2. Replying to remove thread from unanswered list.

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Updated: July 16, 2016
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