Added 6 years ago | 00:00:22 | 21306 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 6 years ago | 00:00:38 | 18570 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 6 years ago | 00:00:06 | 17537 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 6 years ago | 00:00:27 | 12388 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 6 years ago | 00:00:53 | 37054 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 6 years ago | 00:01:42 | 33800 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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