Mechanical movements, powers, devices and appliances; (1903)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The N.W. Henley & co. · leaf 27
^ P = Wx a V — WX a~Y~ b The longitudinal thrust of struts or braces is the same as fortensional strains inversely, only that the weight of timbers or heavymaterials should be considered separately, as shown further on. 7. Where the members are ofthe same length and at equal angles. P and P= half… … 8. For unequal angles.Solution : P = W X sine y Sine (j+^) : \V X sine vSine (^y-\-v) THE MECHANICAL POWERS. 19
Mechanical movements
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