MECHANICS - NEWTON'S SECOND LAW - FORCE, MASS, AND ACCELERATION	NC State University Faculty Access
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Description: The Atwood machine is a simple pulley system to show accelerations and tensions in strings. Instructions: The system will be clamped to a rolling cart. One mass is placed on the small arm. When the attached string is pulled, the system is set in motion. Parts: Atwoods machine clamped to a cart a rack of slotted masses a stop watch (if requested) Purchased/Built: purchased Setup Time: 5 min Quant. in Demo Room: 1 Source: Central Scientific Demo References The Video Encyclopedia of Physics Demonstrations Disc 01-16 The small weight is removed after a period of acceleration and the resulting constant velocity is measured. Hilton M-7c An Atwood's machine using an air pulley. Sutton M-110 Two equal masses are hung from a light pulley. A small percentage of one mass is moved to the other side. Freier and Anderson Ms-7 Three skeletonized aluminum pulleys are mounted together on good bearings. Many combinations of weights may be tried.
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