Fall 2004
Greg Landsberg
| ·My PC connected to web. ·Galilean incline and metronome, at 9:30 toward the end of class. ·Penny and Feather. Me to do, take it into the class evacuated at 10 minutes after the start of class. ·Equivalence principle. Mon 9/13 Strings of beads Three magnetic BB vectors Galilean incline Equivalence Principle Thumbdrive for my PC Laser pointer Wed 9/15 a) Simultaneous two balls drop off table. One has a horizontal velocity and one falls straight. Both hit ground at same time. b) Vertical billiards. Like monkey and gun demonstration but with two balls starting at the same height. c) Monkey and gun demonstration. d) Howitzer and a tunnel. Ball thrown in air and caught Laptop and LASER POINTER Mon 9/20 Dave Cutts e) Circular motion bubble on OHP f) Ring with cut on OHP. donut-o-pault? · Ball on a turntable with hole · Puck on a turntable (tracing pen and sheets of paper cork and string bike wheel prop Laptop and laser pointer check batteries. note: Leave demos out over weekend for Dave. wed 9/22 Zani mobiles Burning string inertia ball firecracker sandwich two dynamic carts with spring mon 27 more on newtons laws bb mechanics pulleys Block on incline plane balanced by masses and pulleys. Wed 9/29 Conical pendulum. Block on incline plane balanced by masses and pulleys. Lift the Professor. Mon 10/4 Cavendish Terminal velocity (with water too?) · Leaf blower on a variac, beach ball, tennis ball, sand-filled tennis ball. Tipping board · Airtrack push-me-pull-you Wed 10/6 · Red Ball Express, sling · Water Rokit · Egg and sheet · Water balloons · Airtrack push-me-pull-you, glider with pendulums, two air tracks with string. (let him do the demos during preview!) Wed 10/13 Finish impulse: · com triangle · egg and sheet · Water balloon impulse with torricelli tank and foam Start energy: · bowling ball nose basher with head cam · Laser pointer!! He wcb Tuesday 10/12 to discuss more demos. Mon 10/18 Bowl ball basher w head cam. Laser pointer!! Wed. 10/20 · Dynamic carts elastic and inelastic collision · Newton's Cradle · Basketball and Tennis ball · Three kik dis pucks for 2-d collisions Mon 10/25 Repeat everything from Wed.: · Dynamic carts elastic and inelastic collision · Newton's Cradle · Basketball and Tennis ball · Three kik dis pucks for 2-d collisions Wed 10/27 * Heavy wheel and light string, break the string. * Light wheel and light string, string does not break. * Hoberman sphere * Torsion pendulum * Whirlygig * Ice skater Mon 11/1 .10 Torque Bar Slide a mass along a rod and increase the torque. .20 Torque Beam Hang 2:1 from lever arm. .50 Feeble Disc A disc with lead placed off center rolls uphill. * Heavy wheel and light string, break the string. * Light wheel and light string, string does not break. * Hoberman sphere * Ice skater on turntable not stool walk the yoyo 3 rails balance of forces and torques note: place laptop onto small table Wed 11/3 Torsion pendulum; Whirlygig; Use three pulleys. Racing ball, hoop and disk. Parallel axis theorem; Bike wheel and stool Balance bird teeter board, (aka wine butler) My own homemade Wine in a bottle for his brazilian wine butler. Mon 11/8 " Slipping ladder. " Center of percussion; Use a lead puck to strike various points along a meter stick on the floor. Note: Contrive a contraption to make a fiducial release meachinism like the launcher on the three rails. " Center of percussion; A Baseball bat does not break a toothpick when it strikes the cent of percussion. " Rolling yoyo down an incline; The kinetic energy of rotation is seen when a yoyo rolls off a ramp. Wed 11/10 Slipping ladder COP baseball bat Mitac Gyro Top Bike wheel precession. Mon 11/15 Kepler lecture. BB ellipse drawer. Wed. 11/17 Begin Oscillations: Air track and glider with two springs, not driven. Vertical mass and spring, not driven. Tuning fork on oscilloscope first without damping, then with damping wax. Eddy current pendulum and magnet. Mon 11/22
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