English

How will the force of gravitation between two objects change if the distance between them is:Made four times - Physics

Advertisements
Advertisements

Question

How will the force of gravitation between two objects change if the distance between them is:
Made four times

Short/Brief Note
Advertisements

Solution

We know that law of gravitation.
F = G ( m1 X m2)/R2.
If distance between them is made four times then put R = 4R.
F = G( m1 X m2)/16 R2.
F1 = F/16.

shaalaa.com
  Is there an error in this question or solution?
Chapter 3: Laws of Motion - Exercise 2 [Page 125]

APPEARS IN

Frank Physics [English] Class 9 ICSE
Chapter 3 Laws of Motion
Exercise 2 | Q 8.3 | Page 125

RELATED QUESTIONS

Calculate the force of gravitation between the earth and the Sun, given that the mass of the earth = 6 × 1024 kg and of the Sun = 2 × 1030 kg. The average distance between the two is 1.5 × 1011 m.


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.


Choose the correct answer from among the given ones:

For the problem 8.10, the direction of the gravitational intensity at an arbitrary point P is indicated by the arrow (i) d, (ii) e, (iii) f, (iv) g.


At noon, the sun and the earth pull the objects on the earth's surface in opposite directions. At midnight, the sun and the earth pull these objects in same direction. Is the weight of an object, as measured by a spring balance on the earth's surface, more at midnight as compared to its weight at noon?


Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?


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


A force can produce ________, In an object at rest. It can __________ an object and change its __________ of motion.


What does a force do in the following case?
You catch a kicked ball.


Name and state the action and reaction in the following case:
Hammering a nail.


Two equal and opposite forces acting at the same point on a stationary body. Will the body move? Give reason to explain your answer.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×