what is acceleration

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what is acceleration

what is acceleration

Q1-what is acceleration? Is it a scalar or a vector quantity ?What is the SI unit of acceleration ?


Ans- Acceleration. In non-uniform motion, the velocity of a body changes with time. It has different velocities at different instants of time and at different points of its path. In such a situation, we define a physical quantity called acceleration which is a measure of the change in the velocity of a body per unit time.
Acceleration is defined as the rate of change of velocity with time. If the velocity of a body changes from u to v in time t, then
Acceleration =Change in velocity/Time taken =(Final velocity – Initial velocity)/Time taken
or
a = (v-u) /t
As acceleration has both magnitude and direction, it is a vector quantity.
The S.I unit of acceleration is m/s2.

what is acceleration

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