Question

Q17: The stone is tied to one end of a string holding the other end, the string is whirled in a horizontal plane with progressively increasing speed, it breaks as some speed because​

Answer 1

Answer:

Until the stone is tied to a string, due to tension in string, it have centripetal force and centrifugal force along in radial direction of motion so when the rope breaks, it doesn't have force in radial direction so due to inertia the stones flies off tangentially.