Determination of the oscillation period depending on torsion wire length, diameter and rotating mass Features - vibrations of different torsion bars Learning objectives/experiments - determine the oscillation period as a function of -- the length of the torsion bar -- the diameter of the torsion bar -- the rotating mass and its shape Specification [1] torsional vibrations on different torsion bars [2] 5 aluminium torsion bars with different diameters [3] adjustable effective length of the torsion bars [4] quick-action chucks to swap components [5] generate torsional vibration via a circular disk or circular ring [6] stopwatch to measure the oscillation period [7] bracket for wall mounting Technical data Five torsion bars - aluminium - length: 1100mm - diameter: 2mm, 3mm, 4mm, 5mm, 6mm Circular ring - outer diameter: 160mm - inner diameter: 100mm - height: 31mm - moment of inertia: 0,01335kgm2 Circular disk - diameter: 160mm - height: 19mm - moment of inertia: 0,0096kgm2 Stopwatch: 1/100s LxWxH: 700x200x200mm Weight: approx. 12kg
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