Introduction to Power (5:52)
Power equals work divided by change in time and it also equals force times velocity times cosine theta.
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
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Picture Credits: James Watt & Watt's Steam Engine