Solenoids are used in all sorts of places, especially locks. If your car has power locks, they may operate using a solenoid. Another common thing to do with a solenoid is to replace the nail with a thin, cylindrical permanent magnet. Then you can move the magnet in and out by changing...
Watt lived from 1736 to 1819 and is most famous for his work on improving the power output of steam engines. We are also reminded of him every day when we talk about 60-watt light bulbs. How Much Horsepower Does a Horse Have? In short, 1 horsepower is equal to 33,000 foot-pounds ...