Questions in Gravitation

Select	Question
	The tidal waves in the sea are primarily due to
	If there were a smaller gravitational effect, which of the following forces do you think would alter in some respect
	A satellite of the earth is revolving in a circular orbit with a uniform speed v. If the gravitational force suddenly disappears, the satellite will
	The atmosphere is held to the earth by
	The weight of a body at the centre of the earth is
	If the distance between two masses is doubled, the gravitational attraction between them
	Which of the following is the evidence to show that there must be a force acting on earth and directed towards the sun
	The gravitational force between two stones of mass 1 kg each separated by a distance of 1 metre in vacuum is
	Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle is
	The earth (mass $ = 6 \times {10^{24}}\,kg)$) revolves round the sun with angular velocity $2 \times {10^{ - 7}}\,rad/s$ in a circular orbit of radius $1.5 \times {10^8}\,km$. The force exerted by the sun on the earth in newtons, is

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