1st Law definition: Every object in a state of uniform motion tends to remain in that state unless an external force was added to it.
2nd Law definition: The relationship between an object's mass m, it's acceleration a, and the applied force F is F= ma. Acceleration and force are vectors in this law the direction of the force vector is the same as the direction of the acceleration vector.
Horse pulling a wagon
3rd Law definition: For every action there is an equal and opposite reaction.