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प्रश्न
A 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 at some speed because ______
विकल्प
The gravitational forces of the earth are greater than the tension in the string
The required centripetal force is greater than the tension sustained by the string
The required centripetal force is lesser than the tension in the string
The centripetal force is greater than the weight of the stone
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उत्तर
A 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 at some speed because The required centripetal force is greater than the tension sustained by the string.
संबंधित प्रश्न
Obtain an expression for torque acting on a body rotating with uniform angular acceleration.
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(Velocity of sound in air = 300 m/s)
