A course of experiments in physical measurement (1897)
Whiting, Harold, d. 1895 · Boston, D.C. Heath and Co. · leaf 377
a measurement of ab, than to measure cd di- 346 DYNAMICS. [Exp. 61. rectly. Let us suppose that the cords bB and aAhave been lengthened or shortened so that the.lineaJis horizontal. The vertical line cd will then be atright angles with ab-, and since ac=^bG, ad:^bd=z\ab. Knowing ad, we ma^… … .^^ •s- / / .lUHi. tfv cm Pig. 169. suspension directly above the weight. We shouldprefer, however, to employ a lever long enough toreach, as in (1) or (2), between two available points ofsuspension, A and B, if it were possible to obtainone of suitable weight and strength. (6) To measure a weight…
Physics
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