In physics, a force is any interaction which tends to change the motion of an object.
the action or process of moving or being moved.
In physics, net force is the overall force acting on an object.
the strength and vitality required for sustained physical or mental activity.
When two forces act upon each other in opposite directions, and they are both the same size, we say they are balanced.
If two individual forces are of equal magnitude and opposite direction, then the forces are said to be balanced.
he resistance that one surface or object encounters when moving over another.
the rate at which someone or something is able to move or operate.
a course along which someone or something moves.