The elements of the mechanics of materials and of power transmission (1911)
King, William Richard, 1852- · New York, J. Wiley & sons; [etc., etc.] · leaf 40
emberis the negative of the algebraic sumof the forces to the right of the sec-tion. The shear at a given sectionis, then, the algebraic sum of the ex-ternal forces to the right or to theleft of the section, but with contrarysigns. Let the beam of Fig. 27 be loadedwdth TFi, W2, W3 Sit distances di,… … Fig. 26. BENDING-MOMENT AND SHEAR DIAGRAiMS 31 line, or axis, mn, and having determined to an appropriate scalethe values of Ri and R2 from the given weights Wi, W2, and Wsywe proceed as follows: By our definition the shear at any section to the left of Wiis Ri, which gives the point b of Fig. 28.…
Mechanics, Applied · Power transmission
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