Mechanical and marine engineering science ... Specially written as a handbook to the Board of Trade examinations for extra-first-class engineers (1909)
Somerscales, A. N · Glasgow : J. Munro; London, Simpkin, Marshall, Hamilton, Kent · leaf 162
ce and completing the parallelogram. Thetension on the short part is 6650 lbs. and on the, long part 5680 lbs. THE PARALLELOGRAM OF FORCES. 159 The horizontal pull is obtained by makings the oblique pull uponeither span a diagonal of another parallelogram with rectangularcomponents. The pull = 5300… … * Fig. 61. In figure 61, first find the vertical height AD when upright,•which = 58-68. Next take a profile view in which (figure 62) AE =85^ AD = 58-68, PP = 30. If the figure is drawn to scale arid the parallelogram ACDBdrawn for the three forces at A, we shall have the proportion:— AB : AC :: 40…
Naval architecture
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