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Gravitation | Introduction and Universal Law of Gravitation | Class 9
INTRODUCTION When a body is held is hand and then released the body falls vertically downwards. Let us think as to why the body falls towards the earth? Why is it not going up? It was Sir Issac Newton posed this question and himself answer it. It is said that when Newton was sitting under…
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Physics 9th: Motion | Circular Motion and Some Solved Examples on Motion – Time Graph
Physics 9th: Motion | Circular Motion and Some Solved Examples on Motion – Time Graph Circular Motion When a body or an object moves in a circle, its motion is called circular motion. In other words, motion in a circle is circular motion. When a body (or object) is moving along a circular…