Gravitation

The height at which the weight of a body becomes 1/16 th, its weight

The height at which the weight of a body becomes 1/16 th, its weight on the surface of earth (radius…

The depth at which the effective value of acceleration due to gravity is g/4

The depth at which the effective value of acceleration due to gravity is g/4 is (R=Radius of earth) Options (a)…

Weight of a body of mass m decreases by 1% when it is raised to height h

Weight of a body of mass m decreases by 1% when it is raised to height h above the earth's…

A particle of masses m is thrown upwards from the surface of the earth, with a velocity u

A particle of masses m is thrown upwards from the surface of the earth, with a velocity u. The mass…

A planet moving along an elliptical orbit is closest to the sun at a distance of r₁

A planet moving along an elliptical orbit is closest to the sun at a distance of r₁. If v₁ and…

Two spheres of mass m and M are situated in air and the gravitational force

Two spheres of mass m and M are situated in air and the gravitational force between them is F. The…

A particle of mass M is suited at the centre of a spherical shell of same mass and radius

A particle of mass M is suited at the centre of a spherical shell of same mass and radius a.…

The radii of circular orbits of two satellites A and B of the earth, are 4R and R

The radii of circular orbits of two satellites A and B of the earth, are 4R and R respectively. If…

Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁

Two satellites of earth, S₁ and S₂ are moving in the same orbit. The mass of S₁ is four times…

The kinetic energy needed to project a body of mass m from the surface of earth

The kinetic energy needed to project a body of mass m from the surface of earth (radius R) to infinity…