Which of the following statements is INCORRECT with reference to Newton’s laws of motion?
1
Mass is an absolute quantity and so it does not change from one location to another.
2
The equation of motion states that the unbalanced force on a particle causes it to accelerate.
3
The equation of motion is valid only when applied within an inertial frame of reference.
4
An inertial frame of reference does not rotate or translate, rather its axes are at rest.