Greene, Charles E[zra] 1842- [from old catalog], Greene, Albert Emerson. [from old catalog] · Ann Arbor, Mich., Printed for the author · leaf 143
s the moment of P about the centre, or Pj/ by the moment of the variable part of the stress, taken about the axis in the plane of and through the centre of the cross-section, perpendicular to jo • Take the origin at the centre. Let / = unit stress at the point distant y from the centre,measured in… … P — Po -f—Po = y -yi, or/ —po y- PIECES UNDER TENSION. 131 If ^ = variable width of section at distance y from thecentre, the moment of the variable portion of the stress aboutthe axis Z Z through the centre will be M = / y . zdy . y = ■ / y zay = I„ , where I^ denotes the moment of inertia of the…
Mechanics, Applied · Strength of materials
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