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Center Of Mass - Hinged Stick Paradox
Purpose
To illustrate the center of mass in a surprising way.
Equipment
Hinged stick with clamp to attach to table, hammer, as photographed.
Suggestions
Let the students try it for a while before helping them to determine a solution.
Images
Description
Q: How can you hang the hammer from the loop on the bottom of the hinged board so that the board will stick straight out horizontally? A: Insert the handle into the loop so that the head of the hammer is pointing back toward the hinge.
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
-
See pagesb2. equilibrium of forces & torques
-
See pagesb3. simple machines
-
See pagesb4. elasticity
Physics Lab Demos