Two bodies of masses `m_(1)` and `m_(2)` are separated by a distance R. The distance of the centre of mass of the bodies from the mass `m_(1)` is

Two point masses m and M are separated bya distance L . The distance of the centre of mass of the system from m is

Two particles of masses m_(1) and m_(2) (m_(1) gt m_(2)) are separated by a distance d. The shift in the centre of mass when the two particles are interchanged.

.Two particles of masses "m_(1)" and m_(2)(m_(1)>m_(2))" are separated by a distance ' "d" '.The shift in the centre of mass when the two particles are interchanged.

Two bodies of masses m_(1) and m_(2) are separated by certain distance. If vecF_(12) is the force on m_(1) due to m_(2) and vecF_(21) is the force on m_(2) due to m_(1) , then