| Moment Of Inertia Of Flywheel |
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Aim : |
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The aim of this experiment is to measure the moment of inertia of a flywheel.
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Diagram : |
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Materials : |
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- A heavy flywheel mounted on an axle on suitable bearings.
- A ruler Vernier calipers
- Thin cord Stopwatch
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Procedure :
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- Set up the apparatus as shown in the diagram and allow the weight to fall a height h.
- The length of twine fixed to the small mass should be equal to h, the original height of the
small mass above the ground.
- Measure the time (t) it takes to hit the ground.
- Count the number of revolutions (N0) before the weight hits the ground and the further
number of revolutions (Nf) before the flywheel comes to rest.
- Repeat the procedure several times and obtain mean values for all quantities.
- Measure the diameter of the axle (d) and record the mass of the falling weight (m)
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Conclusion : |
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You can calculate the moment of inertia (I) of the flywheel from the formula,
I = md2 / 4 x Nf / [Nf +
N0] x ([gt2 / 2h] - 1)
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