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A bob of mass 0.1 kg hung from the ceiling of a room by a string 2 m long is set into oscillation. The speed of the bob at its mean position is 1 ms-1. What is the trajectory of the bob if the string is cut when the bob is1. at one of its extreme positions.2. at its mean position. |
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Answer» 1. At the extreme position, the speed of the bob is zero. If the string is cut, it will fall vertically down wards. 2. At the mean position, the bob has a horizontal velocity. If the string is cut, it will fall along a parabolic path. |
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