Questions in Gravitation

Select	Question
	Gravitational mass is proportional to gravitational
	The gravitational force between two point masses ${m_1}$ and ${m_2}$ at separation r is given by $F = k\frac{{{m_1}{m_2}}}{{{r^2}}}$ The constant k
	The distance of the centres of moon and earth is D. The mass of earth is 81 times the mass of the moon. At what distance from the centre of the earth, the gravitational force will be zero
	Who among the following gave first the experimental value of G
	The mass of the moon is $7.34 \times {10^{22}}\,kg$ and the radius is $1.74 \times {10^6}\,m$. The value of gravitation force will be
	The centripetal force acting on a satellite orbiting round the earth and the gravitational force of earth acting on the satellite both equal F. The net force on the satellite is
	Reason of weightlessness in a satellite is
	Mass M is divided into two parts $xM$ and $(1 - x)\,M$. For a given separation, the value of x for which the gravitational attraction between the two pieces becomes maximum is
	The force of gravitation is
	The gravitational force ${F_g}$ between two objects does not depend on