Science and art drawing : complete geometrical course ; consisting of plane and solid geometry, orthographic and isometric projection, projection of shadow's the principles of map projection, graphic arithmetic and graphic statics (1895)
Spanton, J. Humphrey (John Humphrey) · London : Macmillan · leaf 593
ically at a point of the body called the centre of gravity.If this point be supported, the body will rest in whateverposition it may be placed. The centres of gravity of the following objects can be foundgraphically :— Of a straight line.—Its middle point. Of tivo particles of equal tveight.—A… … Fig. 362. Fig. 363. Of a triangle.—Fig. 362. Bisect any two sides, and join the points to the oppositeangles. The intersection of these two lines, as G, is the centre XXXIX GRAPHIC STATICS 573 of gravity. This point is ahvays one-third of the length of theline joining the centre of the base to the…
Geometrical drawing
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