4. A heavy horizontal circular ring rests on three vertical
supports at the points A, B, C of its circumference. If the angles
of the triangle ABC are 45°, 60° and 75° respectively, show that
the reactions at the supports are in the ratio 2:1.7:1
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A circular ring of radius 3cm is suspended horizontally from a point 4cm vertically above the centre by 4 strings attached at equal intervals ...
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Let O be the centre of the circular ring which is suspended by the strings PA,PB,PC and PD in such a way that P is just above the point O and arc AB = ... More
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