Added over 6 years ago | 00:00:22 | 21750 views
DYNAMICS - Gravitational Forces A Cavendish balance apparatus is used for the experimental verification of Newton's law of universal gravitation. This video shows a time lapse of the position of a laser beam which is reflected off of ...
Added over 6 years ago | 00:00:38 | 18956 views
ELECTROSTATICS - Electric Fields A conducting ping-pong ball is suspended by thread and placed on the outer surface of one of the plates of a parallel-plate capacitor. As the plates are charged with the Wimshurst machine, the ball fol...
Added over 6 years ago | 00:00:06 | 17884 views
OSCILLATIONS - RESONANCE - Audio Resonance Function generator drives a powerful speaker next to a wine glass. The vibrations in the air (the sound) vibrates the glass. By tuning the function generator to the resonance frequency of t...
Added over 6 years ago | 00:00:27 | 12697 views
OSCILLATIONS - Harmonic Motion A glass column is attached to a large flask. A highly machined steel ball in the glass column acts as an air spring. The ball oscillates in the column with simple harmonic motion. The motion of the ball ...
Added over 6 years ago | 00:00:53 | 37815 views
A CO2 fire extinguisher is mounted on the back of a tricycle. When the CO2 is released, the tricycle is propelled forward. Watch Professor Lewin perform this demonstration on the Martha Stewart Show: http://www.marthastewart.com/show/the...
Added over 6 years ago | 00:01:42 | 34592 views
Two carts are connected together on an air track with a spring. Under bright lights you can see the coupled oscillation of the carts back and forth, but under black lights you can see that the center of mass moves at a constant velocity.
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