Question

Define acceleration and give its S.lunit

Answer 1

The rate of change of velocity per unit time is called Acceleration... and it's SI unit is meter per second square...!!!

hOpE iT HeLps...!!!

Answer 2

Acceleration is change in velocity. Positive acceleration is when the velocity is increasing and negative acceleration is when the velocity is decreasing.
The SI unit of acceleration is meter per second square.

hope it helps!!