Martin, Louis Adolphe, 1880- · New York, J.Wiley & Sons, Inc.: [etc. etc.] · leaf 175
resultant stress on any planethrough any point, provided the principal stresses atthis point are known, is readily obtained. Fig. 79 illustrates the construction. Exercise 175. Show that the construction illustrated inFig. 79 gives S, the resultant stress on the plane AB indirection and magnitude.… … Fig. 79 Section XVI STRAIN The changes in the form or the dimensions of a bodydue to the action of external forces (or the stresses in-duced by them) are usually called strains. Thus, strainsare the changes in the relative positions of points in agiven material due to the stresses within this…
Mechanics
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