Experiment -2
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Re-roll two of the balls. Then choose
2 wires each of different thickness. Insert them into the balls.
Push both wires into the polystyrene block so that they stand upright
to the same height, e.g. 10 cm. |
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Hint ! Make sure that you stick the wires in a new position in the block or the experiment won't work very well. |
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Pull both balls back about 3 cm. Then let them go. |
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Do the balls with the thicker or thinner wires have the higher natural frequencies? (Answer) |
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Take the balls and wires out of the polystyrene block and pull the wires out of the balls. |
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