Find the potential energy of the gravitational interation of a point mass of mass m and a thin uniform rod of mass `M` and length l, if they are located along a straight line such that the point mass is at a distance 'a' from one end. Also find the force of their interaction.

Find the potential energy of the gravitational interaction of a point mass m and a rod of mass m and length l , if they are along a straight line. Point mass is at a distance of a from the end of the rod. Find the potential energy of the gravitational

Find the potential energy of the gravitational interaction (a) of two mass points of masses m_1 and m_2 located at a distance r from each other, (b) of a mass point of mass m and a thin uniform rod of mass M and length l, if they are located along a straight line at a distance a from each other, also find the force of their interaction.

Find the M.I. of thin uniform rod of mass M and length L about the axis as shown.

Find the frequency of small oscillations of thin uniform vertical rod of mass m and length l hinged at the point O.

Find the gravitational potential energy of a system consisting of a uniform rod AB of mass M, length l and a point mass m as shown in figure.

Find the gravitatinal force of between a point mass m placed at a disance x on the prolongation of a thin rod of mass M andlength l from near end .

The gravitational force of attraction between a uniform sphere of mass M and a uniform rod of length l and mass in as shown in figure is