MECHANICS - MOTION IN TWO DIMENSIONS - CENTRAL FORCES	Order
Previous Next Pail of Water/Pail of Nails # 1D50.40
Description: A platform holding a vessel of some "fluid" is spun in a circle to show central forces. Instructions: The "fluids" alluded to can be nails, plastic wire nuts, or other such (somwhat) discrete "fluids", or something continuous like water. Start the motion by "rocking" the platform back-and-forth until you have the motion going, and then try swinging it in a complete circle. Hazards: A wet (if water is used) or cluttered mess can result from poor planning or a bad swing. Parts: One plastic platform Plastic cup Fluid (water, or other non-wet items) Purchased/Built: built Quant. in Demo Room: 1 Demo References The Video Encyclopedia of Physics Demonstrations Disc 05-21 Rotate a bucket of water in a vertical circle. Sutton M-154 Swing a bucket of water over your head. Freier and Anderson Mb-29 A pail of water is whirled around in a vertical circle.
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