Hi, I was hoping someone could help me with some general net force questions that will help me answer some of my problems. For example, if a net force acts on an object, does the object's speed and/or velocity change? Furthermore, is the net force that acts on an object which remains at rest equal to zero? Going off of the velocity question from above, will a car, for example, initially moving at a constant velocity slow down unless a small net force were to be applied? And my final question would be that if two objects have the same acceleration, are they under the influence of equal forces? This is probably only true if the masses of the objects are the same, but I just wanted to be sure. Any help with these questions would be great. Thanks!