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One day Prema went to her friend's house. As she was climbing the stairs, she saw that a person was hypnotising a lady with a pendulum moving to and fro. The lady in haziness was giving her gold bangles to that person. Prema immediately went towards them and scolded the person who was robbing the lady. She threw his pendulum, called the police and handed him over to the police. The lady when came out from the state of hypnotism thanked Prema. (i) Mention the length of a simple pendulum which ticks seconds. (ii) State the moral that you get from the incident. (iii) Name the type of motion that pendulum shows.

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The time period of simple pendulum is So one can easily calculate length of pendulum (or string precisely) by using above formula. The moral is help others when they are in need by taking appropriate precaution, like here alerting the police, about the incident. Also try not to engage physically if...
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The time period of simple pendulum is So one can easily calculate length of pendulum (or string precisely) by using above formula. The moral is help others when they are in need by taking appropriate precaution, like here alerting the police, about the incident. Also try not to engage physically if not needed. This may backfire or trigger any abrupt action from apprehended person. The type of motion shown by pendulum is Simple Harmonic Motion. read less
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