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Endless Screw
Purpose
To illustrate mechanical advantage.
Equipment
Endless screw, stand, and masses, as photographed.
Setup Time
5 min.
Images
Description
The endless screw is a simple machine which illustraates mechanical advantage. Using only a small torque, a relatively heavy weight can be lifted. Concommitantly, a fast rotation of the worm produces a slow angular displacement of the wheel. The mechanical advantage is 136.
References
(PIRA unavailable.)
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See pagesb1. center of mass statics
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See pagesb2. equilibrium of forces & torques
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See pagesb3. simple machines
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See pagesb4. elasticity
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See pagesb1. center of mass statics
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See pagesb2. equilibrium of forces & torques
-
See pagesb3. simple machines
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See pagesb4. elasticity
Physics Lab Demos