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please help with these 2 mechnics questions watch

    • Thread Starter

    1) a uniform rod ab of mass 10kg and length 2m rests with A on smooth horizontal ground and B on a smooth peg 1m above the ground. The rod is help in position by a horizontal form pN at A. Find the value of P and the magnitude of the reaction at A and B. 2) a uniform ladder of W rest at an angle alpha to the horizontal with its top against a rough vertical wall and its base on rough horizontal ground, with coefficient of friction 0.25 at each contact. Find the min value of alpha if the ladder does not slip

    These questions have already been posted in the maths section, where they are being dealt with.
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Updated: October 9, 2013

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