Advertisements
Advertisements
प्रश्न
Explain why:
The atmosphere does not escape.
Advertisements
उत्तर
Atmosphere does not escape because molecules of atmosphere are attracted by earth due to the gravitational force of the earth.
APPEARS IN
संबंधित प्रश्न
A rocket is fired from the earth towards the sun. At what distance from the earth’s centre is the gravitational force on the rocket zero? Mass of the sun = 2 ×1030 kg, mass of the earth = 6 × 1024 kg. Neglect the effect of other planets etc. (orbital radius = 1.5 × 1011 m).
Which of the Kepler’s laws of planetary motion led Newton to establish the inverse-square rule for gravitational force between two bodies ?
State the universal law of gravitation. Name the scientist who gave this law.
A solid sphere of mass m and radius r is placed inside a hollow thin spherical shell of mass M and radius R as shown in the following figure . A particle of mass m' is placed on the line joining the two centres at a distance x from the point of contact of the sphere and the shell. Find the magnitude of the resultant gravitational force on this particle due to the sphere and the shell if (a) r < x < 2r, (b) 2r < x < 2R and (c) x > 2R.

Who stated the law of gravitation?
Is the law of gravitation applicable in case of the sun and the moon?
State the law of gravitation. Why is it called universal?
Explain the difference between g and G.
Four identical particles of equal masses 1 kg made to move along the circumference of a circle of radius 1 m under the action of their own mutual gravitational attraction. The speed of each particle will be ______.
Newton's universal law of gravitation applies to ______.
