Units and measurement. Derived Quantities and Units.? Yammmm Zzzzzz Mmmhh hhmm
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it is an elementary physical quantity, which does not require any other physical quantity to express it. ... The units of fundamental physical quantities are called fundamental units. For example, in M. K. S. system, Mass, Length and Time expressed in kilogram, metre and second respectively are fundamental units
Those physical quantities which are derived from fundamental quantities are called derived quantities and their units are called derived units. e.g., velocity, acceleration, force, work etc
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.when brakes are applied to a car moving with a velocity of 54 km^-1 it comes to rest within 2 metre. calculate the frictional resistance if mass of the car is 150 kg
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