Which of the following statements correctly defines quantitatively the work done by a force? the...
PHYSICS
WAEC 2002
Which of the following statements correctly defines quantitatively the work done by a force? the product of the force and the distance moved
- A. parallel to the line of action of the force from a reference point
- B. perpendicular to the line of action of the force from a reference point
- C. on a line through the reference point
- D. by the object
Correct Answer: A. parallel to the line of action of the force from a reference point
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
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