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An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2$$l$$ and rise h hinged at the crown, the horizontal reaction at the support, is

An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2$$l$$ and rise h hinged at the crown, the horizontal reaction at the support, is Correct Answer $$\frac{{{\text{Wa}}}}{{2{\text{h}}}}$$

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