Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 170
EQClLiniUtTlM. 153 Because the resolved parts of the system vanish along a horizontalline, ^ = ^ (!)• Because the resolved parts vaui>h along a vertical line, 2/= 300 (2). Because the moments vanisli about any point (say) H, zB H = 300 O II (3). Now, since A B H is a right-angled ti-iangU, :uul… … Example 2. Let A B (Fig. F) be a smooth inclined plane, the angle A being 30. Let a heavy particle placed at 1) be kept at rest by a string, D B. Investigate the forces acting on this particle. The particle is evidently acted on by three forces, namely : 1st, its own weight, 100 lbs., acting like…
Physics
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