A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? 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 varyin

1.	A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is
A.	l²/4h
B.	l²/8h
C.	l²/12h
D.	l²/16h
Answer» E.

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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 ? per unit run at the right end. The horizontal thrust is

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