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A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\omega $$ per unit run at the right end. The horizontal thrust is

A two hinged parabolic arch of span $$l$$ and rise h carries a load varying from zero at the left end to $$\omega $$ per unit run at the right end. The horizontal thrust is Correct Answer $$\frac{{\omega {l^2}}}{{16{\text{h}}}}$$

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