What is a Derived Unit ?
Those units which are formed by the combination of two or more fundamental units are called derived units.
Introduction of Velocity and Acceleration (Distance and Displacement)
Distance The distance covered by a moving body is the length of path covered by the body. In SI system, distance is measured in metre (m). It is a scalar quantity as it has only magnitude but no direction. Displacement The shortest distance covered by a moving body in a fixed direction is called displacement. In SI system, it is measured in metre (m). Displacement is a vector quantity as It has both magnitude and direction.
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