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CBSE Chemistry | Matter and its classification
Matter and its classification MATTER: Any thing that has weight and occupies space and can be felt by one of our senses is called matter e.g., air, water, wood, chalk, table, chair etc. CLASSIFICATION OF MATTER: (i) Based on state (Physical Classification) (ii) Based on purity/composition (Chemical Classification) . (iii) According to Ancient Indian…
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CBSE 9th Physics | Force and Laws of Motion: Part 1
Force and Laws of Motion: Part 1 Force Definition : A pull or push acting on a body which changes or tends to change the speed of the body or direction of motion of the body or the shape and size of the body is known as force. A force influences the shaped and motion…