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A-straight-rod-AB-which-is-60cm-long-is-in-equilibrum-when-horizontal-and-supported-at-a-point-C-10cm-from-A-with-masses-6kg-and-1kg-attached-to-the-rod-at-A-and-B-respectively-It-is-also-in-equilib




Question Number 68073 by necxxx last updated on 04/Sep/19
 A straight rod AB which is 60cm long,is  in equilibrum when horizontal and  supported at a point C,10cm from A,  with masses 6kg and 1kg attached to the  rod at A and B respectively.It is also in  equilibrum and horizontal when   supported at another pivott at its mid-  point,with masses of 2kg and 5kg   attatched at A and B respectively.Find  the mass of the rod amd its C.G from  point A.
$$\:{A}\:{straight}\:{rod}\:{AB}\:{which}\:{is}\:\mathrm{60}{cm}\:{long},{is} \\ $$$${in}\:{equilibrum}\:{when}\:{horizontal}\:{and} \\ $$$${supported}\:{at}\:{a}\:{point}\:{C},\mathrm{10}{cm}\:{from}\:{A}, \\ $$$${with}\:{masses}\:\mathrm{6}{kg}\:{and}\:\mathrm{1}{kg}\:{attached}\:{to}\:{the} \\ $$$${rod}\:{at}\:{A}\:{and}\:{B}\:{respectively}.{It}\:{is}\:{also}\:{in} \\ $$$${equilibrum}\:{and}\:{horizontal}\:{when}\: \\ $$$${supported}\:{at}\:{another}\:{pivott}\:{at}\:{its}\:{mid}- \\ $$$${point},{with}\:{masses}\:{of}\:\mathrm{2}{kg}\:{and}\:\mathrm{5}{kg}\: \\ $$$${attatched}\:{at}\:{A}\:{and}\:{B}\:{respectively}.{Find} \\ $$$${the}\:{mass}\:{of}\:{the}\:{rod}\:{amd}\:{its}\:{C}.{G}\:{from} \\ $$$${point}\:{A}. \\ $$
Commented by necxxx last updated on 05/Sep/19
please help me out.
$${please}\:{help}\:{me}\:{out}. \\ $$

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