Question

what is meaning of positive and negative acceration​

Answer 1

Answer:

(1) If an object starts from rest and its velocity goes on increasing with the time in the direction of its motion, then the object has positive acceleration. (2) A body falling towards the earth has positive acceleration. When the velocity of a body decreases with time its acceleration is negative.

Answer 2

Answer:

A positive acceleration means an increase in velocity with time. negative acceleration means the speed reduces with time. ... When the car slows down, the speed decreases. When an object is speeding up, the acceleration is in the same direction as the velocity.

Explanation:

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