Difference between revisions of "Inertia Wheel"

From UO Physics Demonstration Catalog

 
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{{NewDemo|subject=Mechanics|topic=Rotational Dynamics|file1=Inertia_Wheel.gif}}
{{NewDemo|subject=Mechanics|topic=Rotational Dynamics|file1=Inertia_Wheel.gif|file2=Inertialwheel.JPG}}


This is an aluminum disk with two diameters which is free to rotate. The moment on inertia remains constant but it is possible to exert two different torques with a single mass. Set this at the edge of a table, roll a string or tape (more visible) around one of the diameters and attach a mass. The rate of fall is significantly different for the two diameters.
This is an aluminum disk with two diameters which is free to rotate. The moment on inertia remains constant but it is possible to exert two different torques with a single mass. Set this at the edge of a table, roll a string or tape (more visible) around one of the diameters and attach a mass. The rate of fall is significantly different for the two diameters.

Latest revision as of 10:55, 13 March 2023

Return to Rotational Dynamics

Inertia Wheel.gif
Inertialwheel.JPG

Description:

This is an aluminum disk with two diameters which is free to rotate. The moment on inertia remains constant but it is possible to exert two different torques with a single mass. Set this at the edge of a table, roll a string or tape (more visible) around one of the diameters and attach a mass. The rate of fall is significantly different for the two diameters.

Location:

  • Sh. B-3