As shown in Figure 7.5a, a person pulls a vacuum cleaner at speed v across a horizontal
Question:
As shown in Figure 7.5a, a person pulls a vacuum cleaner at speed v across a horizontal floor, exerting on it a force of magnitude F directed upward at an angle & with the horizontal. At what rate is the person doing work on the cleaner? State as completely as you can the analogy between power in this situation and in an electric circuit.
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The person is doing work at a rate of P Fv cos One can consider the emf as the for...View the full answer
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