Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 229
lainedonly for that case. If the plus sign is given to the forces acting in one direction,and the minus sign to those acting in the opposite direction, th(fmagnitude and sense of the resultant is given by the algebraic sumof the forces; the magnitude of the resultant ecpials the value of… … Ryerson Physical Laboratory
Architecture · Building · Carpentry
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