Net Force Of Zero Called. It gives the particle the same acceleration as all those actual forces together as described by Newtons second law of motion. That means that the forces on it are balanced.
When the net force of an object is at zero it is at rest. When F 0 m a should also be zero since F m a. B A stone falling freely in a gravitational field.
Acceleration is what changes your speed.
When the net force is not zero the forces are unbalanced. If all the forces oppose each other exactly then the net force 0 and. When the magnitude of this net force is zero the object is either not moving or moving with a constant speed. 2009-10-29 233429 2009-10-29 233429.