MCQ
A man is supported on a frictionless horizontal surface. It is attached to a string and rotates about a fixed centre at an angular velocity $\omega$. The tension in the strings is F. If the length of string and angular velocity are doubled, the tension in string is now ____________.
  • A
    4 F 
  • B
    F
  • C
    $\frac{ F }{2}$
  • 8 F

Answer

Correct option: D.
8 F
D

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