Question

Acceleration is taken to be positive if it is

please help me .​

Answer 1

Answer:

Acceleration is taken to be positive When an object is speeding up, the acceleration is in the same direction as the velocity.

Answer 2

A positive acceleration means an increase in velocity with time. negative acceleration means the speed reduces with time. its a retardation. If the speed is increasing, the car has positive acceleration. When the car slows down, the speed decreases.