The locus of reaction of a two hinged semi-circular arch, is

The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying

A A uniformly distributed load $$\omega $$ per unit run over its right half span, is $$\frac{2}{3}\frac{{\omega {\text{R}}}}{\pi }$$

B A uniformly distributed load $$\omega $$ per unit run over its entire span is $$\frac{4}{3}\frac{{\omega {\text{R}}}}{\pi }$$

C A distributed load varying from zero at the left end to $$\omega $$ per unit horizontal run at the right end, is $$\frac{2}{3}\frac{{\omega {\text{R}}}}{\pi }$$

D All the above

A three hinged arch is generally hinged at its supports and

For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust

For a single point load W moving on a symmetrical three hinged parabolic arch of span L, the maximum sagging moment occurs at a distance x from ends. The value of x is

The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of the wall above is

The hair cells of semicircular canals arestimulated by

The hair cells of semicircular canals are stimulated by

A semicircular disc rests on a horizontal surface with its top flat surface horizontal and circular portion touching down. The coefficient of friction between semi circular disc and horizontal surface is µ. This disc is to be pulled by a horizontal force applied at one edge and it always remains horizontal. When the disc is about to start moving, its top horizontal force will

The vertical reaction for the arch is

The locus of reaction of a two hinged semi-circular arch, is

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