Moments of inertia and torsional vibrations with CobraSMARTsense
Principle
The moment of inertia of a solid body depends on its mass distribution and the axis of rotation. Steiner’s theorem elucidates this relationship.
Benefits
- Angular oscillation apparaturs includes five different body shapes for in-depth experimenting
- High-precision movement sensor
- Very robust and durable setup
USB charger for Cobra4 Mobile-Link 2 and Wireless/USB-Link
Measuring tape, l = 2 m
Movement sensor with cable
Cobra4 Wireless/USB-Link incl. USB cable
Cobra4 Sensor-Unit Timer/Counter
Portable Balance, OHAUS CS2000
Tripod base PHYWE
Stand tube
Weight holder, silver bronze, 1 g
Silk thread, l = 200 m
Angular oscillation apparatus
Slotted weight, blank, 1 g
Flat cell battery, 9 V
Software Cobra4 – multi-user licence
Barrel base expert
Tasks
- The moments of inertia of different bodies are determined by oscillation measurements.
- Steiner’s theorem is verified.
What you can learn about
- Rigid body
- Moment of inertia
- Centre of gravity
- Axis of rotation
- Torsional vibration
- Spring constant
- Angular restoring force