[" 33.A particle is attached to an end of a rigid rod.The other end of the rod is hinged and the rotates "],[" always remaining horizontal.It's angular speed is increasing at constant rate.The mass of the particle is "],[m." The force exerted by the rod on the particle is "vec F" ,then "],[[" (A) "F>=mg," () "],[" (B) "F" is constant ",],[" (C) The angle between "vec F" and horizontal plane decreases."],[" (D) The angle between "vec P" and the rod decreases."]]