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rc, , , , , , Centroid and Centre of Gravity, , Centroid, , * It is defined as a point about, which the entire line, area or, volume is assumed to be, concentrated,, , Oaicomy mee helay, , , , * It is defined as a point about, which the entire weight of the, body is assumed to be, , concentrated,, , * It is related to distribution of * Center of mass,, , length, area and volume., , * It is related to distribution of, , mass,

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cr, , , , Examples, , , , torque, , , , , , point of support, , y

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( Axis of Reference, , The centre of gravity of a body is always calculated with reference to some assumed axis, known as axis of reference (or sometimes with reference to some point of reference). The axis of, reference, of plane figures, is generally taken as the lowest line of the figure for calculating + and the, , left line of the figure for calculating ¥.

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: Center of Gravity, , ® Consider system ofn particles fixed within a region of space,, , * The weights of the particles can be replaced by a single (equivalent), resultant weight having defined point G of application