Category : Science Projects And Inventions
YOU NEED :
Do you know that the time taken for a pendulum to swing is not related to the weight attached to it but to the length of string it is attached to. You can test this by taking a number of strings of the same lengths and attaching to it different weights, then again by taking different lengths and attaching the same weight to it, and so on.
HOW DOES IT WORK?
Since the pull of gravity is the same on all the objects, irrespective of their weight, all the objects swing at the same speed. This is why the weight of the object has no relation to the swing of the pendulum.
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