A uniform rope is rotated along horizontal plane about vertical axis passing through the one end with uniform angular velocity ω . If T is the tension in the rope at a distance x from the axis of rotation, then: 1) T∝ω2 2) T∝ω 3) T∝x2 4) T∝x
A
1 and 3 are true
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B
1 and 4 are true
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C
2 and 3 are true
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D
3 and 4 are true
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Solution
The correct option is B 1 and 4 are true Acceleration of a particle which is at a distance x from the axis of rotation is ω2x and this is provided by the Tension, thusT∝ω2andT∝x