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Laws of nature are same for earthly and celestial Bodies.The force between any object falling freely towards earth and that between earth and moon are governed by the same laws.
Every body in universe attracts every other body with a force which is directly proportional to the product of their masses and inversely proportional to the square of distance between them. The force acts along the line joining the two bodies
The falling of a body (or object) from a height towards the earth under the gravitational force of earth (with on other force acting on it) is called free fall
Given below are the links of some of the reference books for class 9 science.These books by S.Chand Publications are detailed in their content and are must have books for class 9 students.
You can use above books for extra knowledge and practicing different questions.
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