Mechanics of engineering. Comprising statics and dynamics of solids: and the mechanics of the materials of constructions, or strength and elasticity of beams, columns, arches, shafts, etc (1888)
Church, Irving P[orter], 1851- [from old catalog] · New York, J. Wiley & sons · leaf 140
ar from the centre of gravity on the axis),then the acting forces are equivalent to a single force P= odMp, applied at 0 and acting in a gravity-line away from the centre of gravity.Taking the axis X through thedu centre of gravity, Z being theaxis of rotation, Fig. 138, whileZ is the line of… … *- Fig. 138. 128 MECHANICS OF ENGINEERING. equal term dM{— x)z of opposite sign. Hence fdMxz = 0\.AhofdMyz = 0, since each positive product is annulled by anequal negative one (from symmetry about Z). Since, also,y = 0, all six conditions in § 122 are satisfied. Q. E. D. If the homogeneous body is…
Mechanics, Applied · Engineering · Strength of materials
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