Newton's first law states that it is possible to find an inertial frame in which a object that does not interact with other objects experiences zero acceleration equivalently, in the absence of an external force, when viewed from an iner. or, tial frame, an object at rest remains at rest and an object in uniform motion in a straight line maintains that motion Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass, Newton's third law states that if two objects interact, the force exerted by object l on object 2 is equal in magnitude and opposite in direction to the force exerted by object 2 on object 1