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How is the gravitational force between two point masses affected when they are dipped in water keeping the separation between them the same? - Physics

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प्रश्न

How is the gravitational force between two point masses affected when they are dipped in water keeping the separation between them the same?

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उत्तर

The gravitational force is unaffected by the medium, and it remains the same between the point masses irrespective of their surrounding. Therefore, when the two-point masses are dipped in water, the gravitational force between them remains the same.

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अध्याय 8: Gravitation - Exercises [पृष्ठ ६१]

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एनसीईआरटी एक्झांप्लर Physics [English] Class 11
अध्याय 8 Gravitation
Exercises | Q 8.21 | पृष्ठ ६१

संबंधित प्रश्न

Write the answer of the question with reference to laws of gravitation.

State the universal law of gravitation.


What is the importance of the universal law of gravitation?


Answer the following:

An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?


Can we apply Newton’s third law to the gravitational force ? Explain your answer.


Can two particles be in equilibrium under the action of their mutual gravitational force? Can three particles be? Can one of the three particles be?


Let V and E be the gravitational potential and gravitational field at a distance r from the centre of a uniform spherical shell. Consider the following two statements :

(A) The plot of V against r is discontinuous.
(B) The plot of E against r is discontinuous.


Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released. Assuming that only mutual gravitational forces are acting, find the speeds of the particles when the separation decreases to 0.5 m.


The law of gravitation gives the gravitational force between :


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What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.


What does a force do in the following case?
You pull the skin of your arm


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


Gravity is another kind of ________. It exerts all through the ________. The Sun's gravity keeps the ___________ in their orbits. Gravity can only be felt with very large ________.


To project the rockets which of the following principle(s) is /(are) required?


Choose the wrong option.


Molecules in air in the atmosphere are attracted by gravitational force of the earth. Explain why all of them do not fall into the earth just like an apple falling from a tree.


We can shield a charge from electric fields by putting it inside a hollow conductor. Can we shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?


Two particles of equal mass 'm' go around a circle of radius R under the action of their mutual gravitational attraction. The speed of each particle with respect to its centre of mass is ______.


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