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प्रश्न
State the law of gravitation. Why is it called universal?
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उत्तर
Every object in the universe attracts every other object with a force directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
The Law of gravitation is called universal because it applies to all bodies of the universe.
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संबंधित प्रश्न
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).
Choose the correct alternative:
Acceleration due to gravity increases/decreases with increasing depth. (assume the earth to be a sphere of uniform density).
Which of the Kepler’s laws of planetary motion led Newton to establish the inverse-square rule for gravitational force between two bodies ?
State two applications of universal law of gravitation.
The acceleration produced by a force in an object is directly proportional to the applied _________ And inversely proportional to the _________ Of the object.
Who stated the law of gravitation?
What is meant by the equation :
`g= Gxxm/r^2`
where the symbols have their usual meanings.
State the universal law of gravitation and derive its mathematical expression.
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 ______.
A hollow spherical shell of uniform density exerts what gravitational force on a point mass placed inside it?
