Work and Energy - Mission WE1 Detailed Help

In order to have work done upon an object, there must be a(n) ____ to cause a(n) ____.

Definition of Work:
When a force acts upon an object to cause (or to hinder) a displacementwork is done upon the object. Mathematically, work is the dot product of the force and displacement for such a situation.

As the definition of work implies, there are three ingredients of work: force, displacement, and cause. There must obviously be a force acting upon an object; the object must be displaced or moved from its position.  And there must be a cause-effect relationship between the force and the motion.


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