Question

Define acceleration and it state its SI unit for motion along a straight line when do with a constant the acceleration to be first positive and negative give give an example of body in uniform acceleration

Answer 1

Hi.

Accelerationcan be define by changingin velocity. It's SI unit is metre per second square.if the acc.is positive then the velocity has been increased and if acc. is negative then the velocityhas decreased. Ex- free falling body..


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