B+15+5 | Wilberforce pendulum: Oscillates between rotation and up-down. | 2020-12-09 |
A+12+5 | Weighted wood block dragged horizontally by force sensor. | 2020-09-18 |
A+50+5 | Water projector: Adjustable angle water jet in front of grid. | 2020-09-02 |
C+25+40 | Water in vertical standpipe with holes at different heights. | 2020-12-04 |
A+35+2 | Two people in rolling chairs pushing and pulling | 2020-11-02 |
A+25+0 | Two disks, one weighted in center and other on rim, roll down ramp. | 2020-11-06 |
A+35+40 | Train on circular track moves one way and track moves the other. | 2020-11-02 |
A+0+5 | Timed free fall: Ball drops 2 meters through electronic timing gate. | 2020-09-02 |
B+15+1 | Three large pendulums coupled with two springs. | 2020-12-09 |
C+30+70 | The weight of air. | 2020-12-04 |
A+5+5 | The Trebuchet | 2020-10-12 |
A+15+0 | The Cavendish experiment: Model and actual apparatus to show. | 2020-09-28 |
A+0+47 | Swing water in a bucket. | 2020-09-25 |
C+30+60 | Suction cup holds large mass suspended from heavy glass plate. | 2020-12-02 |
C+30+60 | Suction cup holds large mass suspended from heavy glass plate. | 2020-11-30 |
A+60+55 | Stacking Blocks Extend Over Base | 2020-11-23 |
C+25+85 | Siphon from one beaker to another | 2020-12-04 |
B+10+1 | Simple pendulum: Ball on a string. | 2020-12-09 |
B+20+25 | Set of three coupled inverted pendulums on wood base. | 2020-12-07 |
B+20+25 | Set of three coupled inverted pendulums on wood base. | 2020-12-09 |
A+30+10 | Rotational inertia device: Sliding weights on rotating rod. | 2020-11-13 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2020-11-13 |
A+30+15 | Rotating chair with dumbbells or weighted bicycle wheel. | 2020-11-18 |
A+55+5 | Rolling spool: String on spool is pulled at various angles. | 2020-11-06 |
A+50+27 | Rocket using a CO2 Fire Extinguisher: Newton's 3rd Law. | 2020-11-02 |
A+14+15 | Precision lever: Balance beam on stand plus weight set. | 2020-11-23 |
A+5+22 | Potential energy of spring imparted to ball on ramp | 2020-10-09 |
B+10+10 | Physical pendulum: Steel bar with two pivot points. | 2020-12-09 |
A+50+10 | Monkey and the hunter. | 2020-09-04 |
A+50+10 | Monkey and the hunter. | 2020-09-09 |
A+25+5 | Moment of inertia: Hoop or disk rotated by falling weight. | 2020-11-13 |
A+30+20 | Maxwell's top, has adjustable center of gravity. | 2020-11-18 |
A+0+41 | Mass on scale is accelerated | 2020-09-25 |
B+10+0 | Mass on a spring. | 2020-12-09 |
B+10+0 | Mass on a spring. | 2020-12-07 |
A+25+10 | Loop the loop: Sphere, hoop, disk rolled down a looped track. | 2020-11-13 |
A+30+45 | Large gyroscope in a suitcase. | 2020-11-18 |
A+60+30 | Irregular shapes to determine center of mass using plumb bob. | 2020-11-30 |
C+30+53 | Interconnected tube with immiscible liquids. | 2020-11-30 |
C+30+53 | Interconnected tube with immiscible liquids. | 2020-12-02 |
C+30+52 | Interconnected set of glass vases of different shapes. | 2020-11-30 |
C+30+52 | Interconnected set of glass vases of different shapes. | 2020-12-02 |
A+35+18 | Inelastic collisions: Another ballistic pendulum. | 2020-11-02 |
A+0+23 | Inclined airtrack: Cart and ball accelerate in unison. | 2020-09-02 |
C+30+10 | Hydraulic jack with pressure gauge, breaks 2"x 2" piece of wood. | 2020-12-02 |
A+30+30 | Gyroscopes; various. | 2020-11-18 |
C+25+10 | Glass standpipes: Water flows through tube, heights vary. | 2020-12-04 |
C+25+11 | Glass standpipes with a constriction. Similar to C+25+10. | 2020-12-04 |
C+25+15 | Glass aspirator: Compressed air draws colored water up glass tube. | 2020-12-04 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2020-12-07 |
B+10+70 | Four pendulums on rod: Same mass, different lengths. | 2020-12-09 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2020-12-07 |
B+10+72 | Four pendulums on rod: Same length, different masses. | 2020-12-09 |
A+14+10 | Force table: Forces on a car on an adjustable inclined plane. | 2020-09-18 |
A+60+5 | Force on hinged beam measured with transducer. | 2020-11-30 |
A+14+30 | Fan and sailboat on wheels | 2020-09-18 |
A+14+20 | Equivalence of tension of spring attached to pole with mass vs mass at both ends. | 2020-11-23 |
A+5+10 | Equal path lengths ball race. | 2020-10-12 |
A+37+11 | Electric winch tows car at constant speed, then constant acceleration. | 2020-09-02 |
A+35+10 | Elastic collisions: Five hanging balls and two unequal hanging balls. | 2020-10-23 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2020-09-04 |
A+50+0 | Dropped and shot balls hit bench simultaneously. | 2020-09-09 |
B+20+0 | Driven harmonic oscillator: Motor driven mass on spring. | 2020-12-09 |
A+60+25 | Disk (weighted off-center) rolls up inclined plane. | 2020-11-23 |
C+30+65 | Collapse 1 gallon metal can with vacuum pump. | 2020-11-30 |
A+0+59 | Chain lariat with hand drill or electric rotator. | 2020-09-28 |
A+60+32 | Center of gravity (toy) objects. | 2020-11-23 |
A+50+25 | Carbon dioxide propelled rocket flies across room on wire. | 2020-11-02 |
A+60+20 | Car hangs balanced by forces in mid-air over removable inclined plane. | 2020-11-23 |
A+0+50 | Candles rotating about an axis. | 2020-09-28 |
A+20+10 | Breaking thread above and below weight. | 2020-09-18 |
A+5+20 | Bowling ball pendulum swings back to nose. | 2020-10-09 |
A+12+0 | Blocks, with various surfaces slide on an inclined plane. | 2020-09-25 |
A+80+40 | Block and tackle: Bosun's chair. | 2020-11-23 |
A+0+52 | Banked turns: slot car around an oval track | 2020-09-28 |
A+35+0 | Balls of equal and unequal mass on strings, separated by a leaf spring. | 2020-10-23 |
B+10+15 | Ball rolling in a spherical dish on OHP. | 2020-12-09 |
A+5+0 | Ball on string mounts on blackboard and pivots on lower rod. | 2020-10-09 |
C+30+17 | Archimedes' principle: weighing beakers in water. | 2020-12-02 |
C+30+17 | Archimedes' principle: weighing beakers in water. | 2020-11-30 |
A+35+35 | Airtrack: Long track with two gliders coupled by a spring hoop. | 2020-11-02 |
A+37+5 | Airtrack: Glider passes "start" and "stop" gates on digital timer. | 2020-09-02 |
A+0+35 | A ball swung on a string held by a sleeve. | 2020-09-25 |