Advertisements
Advertisements
प्रश्न
The atmosphere consisting of a large number of gases is held to the earth by :
पर्याय
winds
clouds
earth's magnetic field
gravity
उत्तर
Gravity
Gravity of the earth holds the atmosphere consisting of a large number of gases.
APPEARS IN
संबंधित प्रश्न
What type of force is involved in the formation of tides in the sea ?
What happens to the gravitational force between two objects when the distance between them is :
(1) doubled ?
(2) halved ?
The masses of the earth and moon are 6 × 1024 kg and 7.4 × 1022 kg, respectively. The distance between them is 3.8 × 105 km. Calculate the gravitational force of attraction between the two?
Use G = 6.7 × 10–11 N m2 kg–2
An object is thrown vertically upwards with a velocity u, the greatest height h to which it will rise before falling back is given by :
The weight of an object at the centre of the earth of radius R is :
An apple of mass 100 g falls from a tree because of gravitational attraction between the earth and the apple. If the magnitude of force exerted by the earth on the apple be F1 and the magnitude for force exerted by the apple on the earth be F2, then :
According to one of the Kepler's laws of planetary motion :
If the distance between two masses is doubled, the gravitational force between them becomes less than the previous force.
The value of acceleration due to gravity
The gravitational force between two objects is F. If masses of both objects are halved without changing distance between them, then the gravitational force would become