Dear student,
The centrifugal force on a particle that is constrained to rotate in a circular path is given by
      Fc = mrw2                                                                                                        
where Fc is the centrifugal force acting on the particle to maintain it in the circular path, r is the radius of the path, m is the mass of the particle, and w(omega) is the angular velocity of the particle.
Or, since w = v/r, where v is the tangential velocity of the particle
       Fc = (mv2)/r                

















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