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In figure a thin horizontal bar AB of ne...

In figure a thin horizontal bar AB of negligible weight and length L is pinned to a vertical wall at A and supported at B by a thin wire BC that makes an angle `theta` with the horizontal. A weight W can be moved anywhere along the bar; its position is defined by the distance x from the wall of its centre of mass. As a function of x, the horizontal component of the reaction at the hinge A is?

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