Obtain a expression for torque in polar co-ordinates.

Derive an expression for torque in cartesian co-ordinates.

Explain the concept of angular momentum and obtain an expression for it in cartesion co-ordinates.

Obtain an expression for torque acting on a rotating body with constant angular acceleration. Hence state the dimensions and SI unit of torque.

Obtain an expressing for torque acting on a body rotating with uniform angular acceleration.

Obtain the expression for the torque vectau experienced by an electric dipole of dipole moment vecp in a uniform electric field, vecE . What will happen if the field were not uniform?

Find the expression of torque acting on an electric dipole placed in a uniform electric field . Using the above obtained expression of torque find the expression for potential energy of electric dipole kept in the uniform electric field . Assume potential energy of electric dipole to be zero when its axis is perpendicular to the externally applied electric field .

Find the missing co-ordinate