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A child revolves a stone of mass 0.5 k...

A child revolves a stone of mass 0.5 kg tied to the end of a string of length 40 cm in a vertical circle. The speed of the stone at the lowest point of the circle is 2 m/s calculate the tension in the string at this point.

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The correct Answer is:
16.15 N
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Knowledge Check

  • A 2 kg stone at the end of string 1 m long is whirled in a vertical circle is a constant speed. The speed of the stone is 4 m/s. The tension in the string will be 52 N. When the stone is

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    A
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    D
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