A uniform thin rod of mass `m` and length `R` is placed normally on surface of earth as shown. The mass of earth is `M` and its radius `R`. Then the magnitude of gravitational force exerted by earth on the rod is

A uniform thin rod of mass m and length R is placed normally on surface of earth as shown. The mass of earth is M and its radius is R. If the magnitude of gravitational force exerted by earth on the rod is (etaGMm)/(12R^(2)) then eta is

A uniform thin rod of mass m and length R is placed normally on surface of earth as shown. The mass of earth is M and its radius is R. If the magnitude of gravitational force exerted by earth on the rod is (etaGMm)/(12R^(2)) then eta is

A uniform thin rod of mass m and length R is placed normally on surface of earth as shown. The mass of earth is M and its radius is R. If the magnitude of gravitational force exerted by earth on the rod is (etaGMm)/(12R^(2)) then eta is

If M is the mass of the earth and R its radius, the radio of the gravitational acceleration and the gravitational constant is

If M is the mass of the earth and R its radius, the ratio of the gravitational acceleration and the gravitational constant is

If M is the mass of the earth and R its radius, the radio of the gravitational acceleration and the gravitational constant is

If M is the mass of the earth and R its radius, then ratio of the gravitational acceleration and the gravitational constant is

If M is the mass of the earth and R its radius, then ratio of the gravitational acceleration and the gravitational constant is

A body of mass m is placed on the earth's surface . It is taken from the earth's surface to a height h = 3 R when R is the radius of the earth. The change in gravitational potential energy of the body is

Gravitational potential energy of body of mass m at a height of h above the surface of earth (M = mass of earth , R = radius of earth) is