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Fill a glass with sand. keep a piece of cardboard on it.keep a five rupee coin on the cardboard. now strike the cardboard hard using your fingers. observe what happens |
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Answer» The coin would fall into the tumbler because on flicking the CARD it would come in INERTIA of motion but coin would continue to RETAIN its inertia of rest. So due to these opposing inertias the coin falls in the tumbler |
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