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Principle
Various bodies perform torsional vibrations about axes through their centres of gravity. The vibration period is measured and the moment of inertia determined from this.
Benefits
- Selection of materials allows demonstrating all aspects of moments of inertia in one experiment
- Clear and easy set-up
Tasks
The following will be determined:
- The angular restoring moment of the spiral spring.
- The moment of inertia a) of a disc, two cylinder, a sphere and a bar, b) of two point masses, as a function of the perpendicular distance to the axis of rotation. The centre of gravity lies in the axis of rotation.
Learning objectives
- Rigid body
- Moment of inertia
- Axis of rotation
- Torsional vibration
- Spring constant
- Angular restoring moment
- Moment of inertia of a sphere
- Moment of inertia of a disc
- Moment of inertia of a cylinder
- Moment of inertia of a long bar
- Moment of inertia of 2 point masses
Device name
Item No.
Quantity
Item No. 12945-00
1
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Filetyp
(en) Versuchsbeschreibung
p2133101_en .pdf
Filesize 2.17 Mb
pdf