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 99
,and the initial angular velocity is gd^ — 27r(180 -^ 60) — 18.85radians per jecond, we have = / Fds = F c ds = [120 X ?^ X 27r X 2] ft. lbs.; = Fds=^F dy= [48Xi^X27rx jVJft.lbs. ic Ine ) = ^GD-^Ifk r(18.85)^ 600 32.2 X2 ft. ll)S. j Initial Kinetic\ Energy of Stone The final kinetic energy is to be… … VyMy^y/y^^^y///y 90 NOTES AND EXAMPLES IN MECHANICS. brought to rest. Eq. (3) might be read: ilie initial K. E. isentirely ahsorhed in the work of over coming friction. (How would the time of comiug to rest be determined?)84. Work and Kinetic Energy. Motion of Rigid Body Paral-lel to a Plane.…
