Added over 7 years ago | 00:01:28 | 175647 views
A bicycle wheel is suspended from one of end of its axie by a rope, and spun up by hand. The wheel's axle is then placed horizontally and the free end of the axle processes about the supported end. The gyroscope seems to defy gravity ...
Added over 6 years ago | 00:03:00 | 86920 views
Two demonstrators sit at either end of a rotating platform and toss a ball back and forth. When viewed from the rest frame (when the camera is mounted to the ground), the ball follow a straight line but doesn't reach its target because ...
Added over 7 years ago | 00:01:16 | 67949 views
A stuffed monkey is suspended from a rod at one end of a lecture hall by an electromagnet. A golf ball gun aimed directly at the monkey cuts power to the electromagnet when fired. Thus, the monkey begins falling at the same instant th...
Added almost 7 years ago | 00:01:07 | 55986 views
A cart moving at constant velocity shoots a ball straight upwards. Since the ball has the same translational velocity as the cart, it is caught when it comes back down.
Added over 7 years ago | 00:00:46 | 49247 views
A string carrying two weights is hung over a low friction bearing mounted pulley. The weights have slightly different masses, causing a uniform acceleration. When the time it takes the weights to move 1 meter is timed, we can calculat...
Added over 7 years ago | 00:00:22 | 46275 views
A pair of spinning wheels 1.5 meters apart is placed in the path of a bullet. A bullet is fired with the wheels stationary for reference position, and fired again with the wheels spinning at a known speed. The second wheel will rotate mo...
Added almost 7 years ago | 00:03:00 | 45131 views
An air puck is attached to a string that passes through the center of an air table. A weight is attached to the end of the string. The ball is set into rotation in a horizontal circle. When the weight is released, creating a constant for...
Added over 7 years ago | 00:00:41 | 44966 views
A ball is dropped in front of a meter stick and lit by a strobe light. A long exposure photograph captures the position of the ball at each evenly spaced flash of light. The acceleration of the ball can then be measured from the photo. ...
Added over 7 years ago | 00:00:33 | 40975 views
Two people on carts pull on a long rope, demonstrating that the center of mass does not move.
Added over 7 years ago | 00:00:53 | 39571 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 7 years ago | 00:01:18 | 36064 views
A wooden ball is attached to the rim of a spinning wheel. The ball is held in place by a string. When the spring is cut, the ball flies in a straight tangent to the wheel.In the camera's frame of reference, the ball constantly acceler...
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