Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1903)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & sons; [etc., etc.] · leaf 110
EOLLING RESISTANCE. 101 parallel to the plane, has an influence in determining iT; here ittends to relieve the pressure on the plane.] The forces beingbalanced, ^X, and ^ Z, = 0; whence P cos a —fJV— G sin /3 — 0; and P sin a: + i\^ - 6^ cos y5 = 0; and finally F = —^ , ;. .—— (1) •^ cos a -f-j sin…
