Which of the following is/are correctly matched pairs concerning Newton's Law of Motion?
1. First Law of Motion: Every body continues to be in its state of rest or of uniform motion in a straight line unless compelled by some external force to act otherwise.
2. Second Law of Motion: To every action, there is always an equal and opposite reaction.
3. Third Law of Motion: The rate of change of momentum of a body is directly proportional to the applied force and takes place in the direction in which the force acts.
1
1 only
2
2 and 3 only
3
2 only
4
1, 2 and 3