plank weight trough

plank weight trough

[ Atwood's machine ] [ balance moon stone ] [ ball up/down ] [ bead parabola accelerometer ] [ boat anchor lake ] [ boat time ] [ bobbin on incline ] [ bosun's chair ] [ bouncing ball ] [ bowling ball rolling ] [ bug on band ] [ bursting shell ] [ falling chain ] [ Feynman's restaurant problem ] [ five pills ] [ flying cable ] [ forced pendulum ] [ gold mountain ] [ half pills ] [ hallway pole ] [ inelastic relativistic collision ] [ infinite pulleys ] [ mass on an incline ] [ maximum angle of deflection ] [ particle in bowl ] [ particle in cone ] [ particle on sphere ] [ particle points parabola ] [ pile of bricks ] [ pion muon neutrino ] [ piston ramp spring ] [ plank weight trough ] [ rocket vs. jet ] [ roll without slipping ] [ rough inclined plane ] [ shooting marbles ] [ speedometer test ] [ three balls ] [ three logs ] [ turntable cart ] [ Two Rolling Balls exercise ] [ wheel and block ] [ whirling pendulum ] [ worlds fair ornament ]

A plank of weight W and length lies in a smooth circular trough of radius . At one end of the plank is a weight W/2. Calculate the angle θ at which the plank lies when it is in equilibrium.

Answer : Your browser does not support inline frames or is currently configured not to display inline frames.

Solutions (listed by author)

Michael A. Gottlieb (pdf, 69K)

Sukumar Chandra (using torque) (pdf, 76K)

Sukumar Chandra (using potential energy) (pdf, 75K)