A stone of mass 1 kg is tied at one end of string of length 1 m. It is whirled in a vertical circle at constant speed of 4 ms −1 . The tension in the string is 6 N when the stone is at (g = 10ms −2 )

Question : A stone of mass 1 kg is tied at one end of string of length 1 m. It is whirled in a vertical circle at constant speed of 4 ms −1 . The tension in the string is 6 N when the stone is at (g = 10ms −2 )