English

Explain why:The atmosphere does not escape. - Physics

Advertisements
Advertisements

Question

Explain why:
The atmosphere does not escape.

One Line Answer
Advertisements

Solution

Atmosphere does not escape because molecules of atmosphere are attracted by earth due to the gravitational force of the earth.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Exercise 3 [Page 129]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 3 Laws of Motion
Exercise 3 | Q 36.2 | Page 129

RELATED QUESTIONS

What is the magnitude of the gravitational force between the earth and a 1 kg object on its surface? (Mass of the earth is 6 × 1024 kg and radius of the earth is 6.4 × 106 m).


Two spherical balls of mass 10 kg each are placed 10 cm apart. Find the gravitational force of attraction between them.


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.


How will the force of gravitation between two objects change if the distance between them is:
Halved


Explain the difference between g and G.


Is there a gravitational attraction between you and the book? Explain.


Solve the following problem.

Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 1024 kg, R = 6400 km).


The gravitational force between a hollow spherical shell (of radius R and uniform density) and a point mass is F. Show the nature of F vs r graph where r is the distance of the point from the centre of the hollow spherical shell of uniform density.


Complete the chart below.

F(N) M1(kg) M2(kg) D(m)
(a) 50 84 02
16 × 109 1.63 × 1022 (b) 34

If three equal masses m are placed at the three vertices of an equilateral triangle of side 1/m then what force acts on a particle of mass 2m placed at the centroid?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×