A satellite of the earth is revolving in a circular orbit with a uniform speed u.
Mass M is divided into two parts xM and (1 - x)M.
Force between two objects of equal masses is F.
A point mass m is placed inside a spherical shell of radius R and mass M.
Two identical solid copper sphere of radius R are placed in contact with each other. the gravitational attraction between them is ..
Two sphere of mass m and M are situated in air and the gravitational force between them is F.
Two point masses A and B having masses in the ratio 4 : 3 are separated by
Two identical spheres of radius R made of the same material are kept at a distance d apart.
Two particles of equal mass go round a circle of radius R under the action of their mutual gravitational attraction.The speed of e..
Directions: the following question contains statement
The force of gravitation is
Two spherical bodies of mass M and 5 M and radii R and 2 R, respectively are released in free space with initial separation betwee..
Reason of weightlessness in a satellite is
The weight of a body on surface of the earth is 12.6 N. When it is raised to a height half the radius of earth, its weight will be
If g is the acceleration due to gravity on the earthâ€™s surface, the gain in the potential energy of an object of mass m rai..
Two particles of equal mass m go around a circle of radius R under the action of their mutual gravitational attraction. The speed ..
If the radius of the earth were to shrink by one percent, its mass remaining the same, the acceleration due to gravity on the eart..
Correct form of gravitational law is
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in size. If the acceleration..
Which force in nature exits every where
A body weights 500 N on the surface of the earth. How much would it weigh half-way below the surface of the earth?
The gravitational force Fg between two objects does not depend on
A body is projected with a velocity of 2 Ã— 11.2 km/s from the surface of earth. The velocity of the body when it escapes the g..
If the distance between twl masses is doubled, the gravitational attraction between them
Which of the following statements about the gravitational constant is true
Two astronauts are floating in gravitational free space after having lost
One can easily "weight the earth" by calculating the mass of earth using formula (in usual notation)
The atmosphere is held to the earth by
four particles, each of the mass. m and equidistant from each other
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..
If g e , g h and g d be the accelerations due to gravity at earth\s surface, a height h and at depth d respectively. Then,
The centripetal force acting on a satellite orbiting round the earth
A simple pendulum is oscillating without damping.
If the earth stops rotating, the value of g at the equator
the mass of a spaceship is 1000kg. it is to be launched from the
If g is the acceleration due to gravity on the surface of earth, its value at a height equal to double the radius of earth is
LANDSAT series of satellites move in near polar orbits at an altitude of
If the radius of earth is R, then the height h at which the value of g becomes one-fourth, will be
hen the earth moves around the sun, the quantity which remains constant is
if ge and g m are the acceleration due to gravity on the moon,
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