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Jill is pushing on a table Eric is pushing on a smaller stool each person moves their object 3 meters how can you determine whether Eric and Jill are performing work?
Ash132002
In physics, work is defined as force times distance. If there is friction between the 'floor' and the objects, a gravitational field, and the 'floor' is level, then both individuals are doing work. Various combinations of those three parameters could result in a condition in which work may or may not be performed. For example if there is no friction, a gravitional field, and the 'floor' is slanted upward, work will still be performed as the individuals add potential energy to the objects. If there is no friction, a gravitational field, and a level floor, work will still be performed as force is applied to overcome inertia and kinetic energy is added to the objects. Only if no energy is added to the objects can it be said that no work is performed by the individuals .
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∙ 15y ago
Ismahan Osman
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