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A-uniform-rod-ABC-weight-50N-and-length-4m-rests-with-one-end-A-on-rough-horizontal-ground-and-is-supported-by-a-smooth-peg-at-B-where-AB-2-5m-The-peg-is-2m-from-the-ground-Find-the-reactions-at-




Question Number 57840 by pete last updated on 13/Apr/19
A uniform rod ABC, weight 50N and   length 4m rests with one end A on rough  horizontal ground and is supported by   a smooth peg at B where AB=2.5m.  The peg is 2m from the ground. Find the  reactions at A and at the peg.
$$\mathrm{A}\:\mathrm{uniform}\:\mathrm{rod}\:\mathrm{ABC},\:\mathrm{weight}\:\mathrm{50N}\:\mathrm{and}\: \\ $$$$\mathrm{length}\:\mathrm{4m}\:\mathrm{rests}\:\mathrm{with}\:\mathrm{one}\:\mathrm{end}\:\mathrm{A}\:\mathrm{on}\:\mathrm{rough} \\ $$$$\mathrm{horizontal}\:\mathrm{ground}\:\mathrm{and}\:\mathrm{is}\:\mathrm{supported}\:\mathrm{by}\: \\ $$$$\mathrm{a}\:\mathrm{smooth}\:\mathrm{peg}\:\mathrm{at}\:\mathrm{B}\:\mathrm{where}\:\mathrm{AB}=\mathrm{2}.\mathrm{5m}. \\ $$$$\mathrm{The}\:\mathrm{peg}\:\mathrm{is}\:\mathrm{2m}\:\mathrm{from}\:\mathrm{the}\:\mathrm{ground}.\:\mathrm{Find}\:\mathrm{the} \\ $$$$\mathrm{reactions}\:\mathrm{at}\:\mathrm{A}\:\mathrm{and}\:\mathrm{at}\:\mathrm{the}\:\mathrm{peg}. \\ $$

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