Two identical spheres of radius R made of the same material are kept at a distance d apart.
A point mass m is placed inside a spherical shell of radius R and mass M.
Two point masses A and B having masses in the ratio 4 : 3 are separated by
Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction.The speed of e..
Mass M is divided into two parts xM and (1 - x)M.
Reason of weightlessness in a satellite is
Correct form of gravitational law is
One can easily "weight the earth" by calculating the mass of earth using formula (in usual notation)
Which of the following statements about the gravitational constant is true
If the distance between twl masses is doubled, the gravitational attraction between them
The gravitational force Fg between two objects does not depend on
Three equal masses of 1 kg each are placed at the vertices of an equilateral triangle PQR and a mass of 2kg is placed at the centr..
The centripetal force acting on a satellite orbiting round the earth
Two astronauts are floating in gravitational free space after having lost
Which force in nature exits every where
The force of gravitation is
The atmosphere is held to the earth by
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