Wood, De Volson, 1832-1897. [from old catalog] · New York, J. Wiley & sons · leaf 132
r — i?, we have X = -3 XI, which gives the centre of gravity when the TO ELEMENTARY MECHANICS. 123 thickness of the solid, opposite the tangentpoint, is infinitesimal.3. To find the versed-sine Gil, Fig. 94, we havein this case OB — r, HB = \r; Cg .-. 011= vV - Ty-2 = J/V15; ..-. GR=(l -iVl5)r.In… … 4. The centre of gravity will be J- of 8 inches, or2 inches from the base, hence the line joining 124 KEY AND SUPPLEMENT the point of suspension with the centre ofgravity forms a triangle of which the two sidesare each 2, and as the altitude is perpendicularto the base, the oblique angles will each…
Mechanics
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