Elements of mechanics: treated by means of the differential and integral calculus (1887)
Peck, William G[uy], 1820-1892. [from old catalog] · New York, Chicago, A. S. Barnes & company · leaf 138
lained, TTsina BO TPcosa = tana — AG The angle a is called the angle of friction. Limiting Angle of Resistance.103. Let AB be any plane surface, and 0 a body rest-ing upon it. Let It be the resultantof all the forces acting upon it, in-cluding the weight applied at thecentre of gravity. Denote the… … 134 MECHANICS. The friction due to the normal pressure will be equal toyifcosx. Now, when the tangential component isteina isless than j^cosa, the body will remain at rest; when it isgreater than fJlcosx, the body will slide along the plane;and when the two are equal, the body will be in a…
Mechanics
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