A conical pendulum, a thin uniform rod of length `l` and mass `m`, rotates uniformly about a vertical axis with angular velocity `omega`(the upper end of the rod is hinged). Find the angle `theta` between the rod and the vertical.

A conical pendulum consisting of rigid rod of length l and mass m rotates uniformly about vertical axis with angular velocity omega . Find the angle theta between the rod and the vertical [Hint : Equate the moments of centrifugal forces on elementary masses to the moment of gravity]

A thin uniform copper rod of length l and mass m rotates uniformly with an angular velocity omega in a horizontal plane about a vertical axis passing through one of its ends. Determine the tension in the rod as a function of the distance r from the rotation axis. Find the elongation of the rod.

A thin uniform copper rod of length l and mass m rotates uniformly with an angular velocity omega in a horizontal plane about a vertical axis passing through one of its ends. Determine the tension in the rod as a function of the distance r from the rotation axis. Find the elongation of the rod.

A uniform rod of length l and density rho is revolving about a vertical axis passing through its one end. If omega is the angular velocity of the rod then the centrifugal force per unit area of the rod is

A conducting rod OA of length l is rotated about its end O with an angular velocity omega in a uniform magnetic field directed perpendicualr to the rotation. Find the emf induced in the rod, between it's ends.

A rod of mass m and length l is rotating about a fixed point in the ceiling with an angular velocity omega as shown in the figure. The rod maintains a constant angle theta with the vertical. What angle will the rod make with the vertical

A horizontal rod of length 'l' rotates about a vertical axis with a uniform angular velocity 'omega' . A uniform magnetic field of induction B exists parallel to the axis of rotation. The potential different between the ends of the rod is