Gravitation questions
1239 published questions with worked solutions.
- The height in terms of radius of the earth (R), at which the acceleration due to gravity becomes g/9, where g is acceleration due...
- A body of mass m is taken from the surface of earth to a height equal to twice the radius of earth (Rₑ). The increase in...
- When one moves from a point 16 km below the earth's surface to a point 16 km above the earth's surface. The change in g is...
- Two bodies of mass m and 9m are placed at a distance R. The gravitational potential on the line joining the bodies where the...
- A satellite is orbiting just above the surface of the earth with period T. If d is the density of the earth and G is the...
- The escape velocity from the Earth's surface is v. The escape velocity from the surface of another planet having a radius, four...
- A particle of mass 'm' is projected with a velocity v=kV_e (k < 1) from the surface of the earth. (V_e = escape velocity) The...
- A satellite of 10³ kg mass is revolving in circular orbit of radius 2R. If 10^4R 6 J energy is supplied to the satellite, it...
- An astronaut takes a ball of mass m from earth to space. He throws the ball into a circular orbit about earth at an altitude of...
- The acceleration due to gravity on the surface of earth is g. If the diameter of earth reduces to half of its original value and...
- A planet takes 200 days to complete one revolution around the Sun. If the distance of the planet from Sun is reduced to one...
- At what distance above and below the surface of the earth a body will have same weight. (take radius of earth as R.)
- Escape velocity of a body from earth is 11.2 km/s. If the radius of a planet be one third the radius of earth and mass be...
- The gravitational potential at a point above the surface of earth is – 5.12 × 10⁷ J/kg and the acceleration due to gravity at...
- The mass of the moon is 1/144 times the mass of a planet and its diameter is 1/16 times the diameter of a planet. If the escape...
- Four identical particles of mass m are kept at the four corners of a square. If the gravitational force exerted on one of the...
- Two satellites revolve around a planet in coplanar circular orbits in anticlockwise direction. Their period of revolutions are 1...
- If one wants to remove all the mass of the earth to infinity in order to break it up completely. The amount of energy that needs...
- The maximum and minimum distances of a comet from the Sun are 1.6 10^ 12 m and 8.0 10^ 10 m respectively. If the speed of the...
- A geostationary satellite is orbiting around an arbitary planet 'P' at a height of 11R above the surface of 'P' , R being the...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration