What is a Force? Force is a push or a pull acting on an object. A force is needed to start, stop, speed up, slow down, or change the direction of motion of an object. Unit of Force is Newton (N). A force always has: Magnitude Direction Therefore, force is a vector quantity because it has both magnitude and direction. Newton's Laws of Motion and Force Newton's First Law "An object remains at rest or continues to move with uniform velocity unless acted upon by an unbalanced for
