MECHANICS - WORK AND ENERGY - SIMPLE MACHINES	NC State University Faculty Access
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Description: Discuss the advantage of first, second and third class levers. Purchased/Built: purchased Quant. in Demo Room: 1 Source: Central Scientific Demo References Sutton M-43 The three classes of simple levers. The Video Encyclopedia of Physics Demonstrations Disc 04-07 A torque bar, spring scale, and pivot are used to illustrate the three classes of levers.
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