International Baccalaureate: Physics
- Marked by Teachers essays 2
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Bifilar Suspension - the technique will be applied to find the mass moment of inertia of a regular cross-section steel beam about its centre of gravity.
Dependent variables: The time taken for 10 oscillations by the scale which was measured using a digital stop watch. Controlled variables: The controlled variables are as follows: * The mean position of the scale placed on the top: 50cm * The mean position of the scale placed below: 25cm * Number of strings used: 2 strings * Length of each string: 16.5cm. * Distance between the two ends of the scale placed above: 90cm DIAGRAM: APPARATUS: S.no Material Type Range Quantity Least count Uncertainity 1 Ruler - 1 cm – 100 cm 1 0.1cm ± 0.05 cm 2 Thread - - - - - 3 Clamp stand - - 2 - - 4 Stop watch Digital - 1 0.01
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