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AIIMS 2008
Exam
AIIMS
Year
2008
Subject
Physics
Chapter
Motion in Two Dimensions

AIIMS 2008 · Physics · Motion in Two Dimensions

A particle of mass m moves with constant speed along a circular...

A particle of mass mm moves with constant speed along a circular path of radius rr under the action of force FF. Its speed is

Options

  1. A(\sqrt{\frac{F r}{m}})
  2. B(\sqrt{\frac{F}{r}})
  3. C(\sqrt{F m r})
  4. D(\sqrt{\frac{F}{m r}})

Correct answer

A. (\sqrt{\frac{F r}{m}})

Step-by-step solution

Centripetal force (F)=mv2r∴v=Frm(F)=\frac{m v^2}{r} \therefore v=\sqrt{\frac{F r}{m}}
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