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Free rotational oscillations - Measuring with a hand-held stopclock

Free rotational oscillations - Measuring with a hand-held stopclock

VP1.5.3.1

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Description

The aim of the experiment P1.5.3.1 is to investigate free harmonic rotational oscillations of the type

To distinguish between oscillation and creepage, the damping constant Δ is varied to find the current I₀ which corresponds to the aperiodic limiting case. In the oscillation case, the angular frequency ω is determined for various damping levels from the oscillation period T and the damping constant Δ by means of the ratio

of two sequential oscillation amplitudes. Using the relationship

we can determine the characteristic frequency ω₀.

Components of equipment sets

1	34600 8	Torsion pendulum
1	521546	DC Power Supply 0...16 V/0...5 A
1	31327	Hand-held stop-watch, 60s/0.2s
1	50146 4	Connecting leads 19 A, 100 cm, red/blue, pair