1.

A thin, circular loop of radius R rotates about its vertical diameter with angular speed ω. There is a small bead on the wire. The angle made by radius vector joiningthe centre to the bead with the vertically downward direction for ω=\sqrt{2g/R} is (Neglect friction) (1) 0^° (2) 30^° (3) 45^° (4) 60^°

Answer» A thin, circular loop of radius R rotates about its vertical diameter with angular speed ω. There is a small bead on the wire. The angle made by radius vector joiningthe centre to the bead with the vertically downward direction for ω=\sqrt{2g/R} is (Neglect friction) (1) 0^° (2) 30^° (3) 45^° (4) 60^°


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