Analytical mechanics for students of physics and engineering (1913)
Dadourian, Haroutune Mugurditch, 1878- · New York, D. Van Nostrand Company · leaf 199
h is in equi-librium is given a virtual displacement the total amount of workdone by the forces acting upon the particle vanishes. This isthe principle of virtual work. The principle of virtual work is applicable not only toparticles, but also to any system which is in equilibrium.If the system is… … ILLUSTRATIVE EXAMPLES. 1. Supposing the weights in Fig. 98 to be in equilibrium and the con-tacts to be smooth, rind the relation between the two weights If Ui is given a virtual displace-ment towards the left along the in-clined plane, then the virtual work is - T ds + Wi • ds sin a + N • 0 = 0,or…
Mechanics, Analytic
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