No. Acceleration is defined as a change in velocity, regardless of magnitude or sign. If an obect has a velocity of 0 m/s, then it's acceleration must also be 0 m/s. However, an object can have a...
Acceleration is when the following happens to an object: -- the speed at which it's moving changes or -- the direction it's moving changes or -- both the speed and the direction it's moving change.
Whenever there is a resultant force acting on a body which is having some mass, then that body will accelerate (or) A body whose velocity is changing with respect to time and having some mass then...