Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1897)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & Sons · leaf 110
ROLLING KESISTANCE. • 101 parallel to the plane, has an influence in determining N\ bere ittends to relieve the pressure on the plane.] The forces beingbalanced^ ^X, and 2Y^ — ^ \ ■whence P cos a —fX— 6r sin ^ =:^ 0; and P sin « + iY — 6^ cos /5 r=r 0; 1 4,- 11 u 6;[sin/?+/cos/?] and hnally P — ■ ,…