Introduction to Power (5:52)
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Power equals work divided by change in time and it also equals force times velocity times cosine theta.
Content Times: 0:12 The difference between the two examples 0:43 The definition of power 1:04 Why the work is the same in both examples 2:13 Which example has more power 2:45 The units for power; watts 3:33 The other equation for power 4:46 Horsepower Picture Credits: James Watt & Watt's Steam Engine |
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