Centre of Gravity Apparatus
A simple and economical apparatus for demonstration of geometrical center of gravity of two-dimensional objects. Center of gravity of a freely suspended two-dimensional object always lies along the line drawn vertically downward from its point of suspension. Comprises a clear perspex rod mounted on a base with a suspension screw at the top and four laminas of clear acrylic 1 each of circular, triangular, square and trapezoidal. Each lamina has suspension holes along their periphery. The point of intersection of lines drawn from point of suspension of 2 or more holes of a lamina gives center of gravity of that 2-dimensional lamina.
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