Which of the following statements correctly defines quantitatively the work done by a force? the product of the force and the distance moved
-
parallel to the line of action of the force from a reference point
- perpendicular to the line of action of the force from a reference point
- on a line through the reference point
- by the object
The correct answer is: A
Explanation
The quantity of work done (or energy converted) by a force, when the force moves, depends on two obvious factors:
- the distance moved (in the direction along which the force acts) and
- the magnitude (strength) of the force