English

State Whether the Gravitational Force Between Two Masses is Attractive Or Repulsive ? - Physics

Advertisements
Advertisements

Question

State whether the gravitational force between two masses is attractive or repulsive ?  

One Line Answer
Advertisements

Solution

Gravitational force is always attractive .

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Exercise 3 (E) [Page 79]

APPEARS IN

Selina Concise Physics [English] Class 9 ICSE
Chapter 3 Laws of Motion
Exercise 3 (E) | Q 2 | Page 79

RELATED QUESTIONS

What happens to the force between two objects, if the masses of both objects are doubled?


The gravitational intensity at the centre of a hemispherical shell of uniform mass density has the direction indicated by the arrow (see Fig 8.12) (i) a, (ii) b, (iii) c, (iv) 0.


A body is suspended from a spring balance kept in a satellite. The reading of the balance is W1 when the satellite goes in an orbit of radius R and is W2 when it goes in an orbit of radius 2 −R.


Inside a uniform spherical shell
(a) the gravitational potential is zero
(b) the gravitational field is zero
(c) the gravitational potential is same everywhere
(d) the gravitational field is same everywhere


A ball is thrown vertically upwards. It goes to a height 20 m and then returns to the ground. Taking acceleration due to gravity g to be 10 ms-2 , find : 
the final velocity of the ball on reaching the ground .


A ball is thrown vertically upwards. It goes to a height 20 m and then returns to the ground. Taking acceleration due to gravity g to be 10 ms-2 , find : 
the total time of journey of the ball .


Explain why:
The atmosphere does not escape.


For the weight of body of mass 5 kg to be zero on equator of the earth, angular velocity of the earth must be (The radius of earth = 6400 km, acceleration due to gravity = 10 m/s2).


The force of gravitation between two bodies of mass 1 kg each separated by a distance of 1 m in vacuum is ____________.


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.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×