PHYSICS

UNIT AND DIMENTIONS

Unit is the chosen standard used for measuring a physical quantity. Units are of two types : Fundamental Units and Derived Units There are few important unit systems , CGS system stands for “centimeter-gram-second”, MKS system stands for ” meter-kilogram-second”, and SI unit system. PHYSICAL QUANTITY SI UNIT SYMBOL Length Meter m Mass Kilogram Kg […]

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Friction

The force which opposes the relative motion of any body which is in contact with another body is called friction. Amount of friction can be different that depends on the movement of the body as follows : Key Factors – There are two different type of friction can be classified based on the kind of

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