Question

What is Negative and Positive Acceleration.

Answer 1

The positive sign of acceleration shows that the velocity of the body is increasing per unit time……..

2. The negative sign of acceleration shows that the velocity of the body is decreasing per unit time

3. Or the whole thing can be understood by considering the direction of force and the direction acceleration of the body…..

if the direction of force acting on the body is opposite to the direction of motion of the body, we say that it has an negative acceleration.  

and if the direction of the force acting on the body is along the direction of the motion of the body we say that it has a positive acceleration.

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Answer 2

when the object is speeding up there acceleration in the same direction as the velocity .Then it create positive acceleration

when the object is in negative direction as in the velocity become down.

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