Download Gravitation Class 11 Physics Notes PDF Handwritten Toppers Notes

Gravitation Class 11 Physics Notes PDF Handwritten Toppers Notes Every object in the universe attracts every other object with a force which is called the force of gravitation. Gravitation is one of the four types of interactions found in nature. These are:
(i) the gravitational force
(ii) the electromagnetic force
(iii) the strong nuclear force
(iv) the weak nuclear forces.
Newton’s Law of Gravitation

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Gravitational force is an attractive force between two masses m1 and m2 separated by a distance. The gravitational force acting between two point objects is proportional to the product of their masses and inversely proportional to the square of the distance between them.

Important Points about Gravitation

(i) Gravitational force is a central as well as conservative force.
(ii) It is the weakest force in nature.
(iii) It is 1036 times smaller than the electrostatic force and 10,8 times smaller than the nuclear force.
(iv) The law of gravitational is applicable to all bodies, irrespective of their size, shape, and position.
(v) Gravitational force acting between the sun and the planet provides it a centripetal force for orbital motion.
(vi) Gravitational pull of the earth is called gravity.
(vii) Newton’s third law of motion holds good for the force of gravitation. It means the gravitation forces between two bodies are action-reaction pairs.

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