A text book of elementary mechanics, for the use of colleges and schools (1881)
Dana, Edward Salisbury, 1849-1935 · New York, J. Wiley & sons · leaf 218
Fig. 133. Fig. 134. 134). In this case the power (P) is the tension of the string (orthrust of the prop), and its moment is P.AF; the weight is that ofthe bar acting at its centre of gravity B, and its moment is W.BF.The value of P, derived from the equation RAF= W.BF, will give the tension of the…
Mechanics
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