what are the "windmills" you often see on the side of a road? what are they used for?
2007-02-18 04:52:10 · 7 answers · asked by harsh j 1 in Science & Mathematics ➔ Other - Science
they generate electricity...
2007-02-18 05:00:41 · answer #1 · answered by Harish Jharia 7 · 0⤊ 0⤋
Electrical generation by wind. They are popping up all over the place. Not too far south of where I live (the mid west US) they have a large 'wind-farm' with a series of large windmills that are used for generating electricity.
2007-02-18 13:08:13 · answer #2 · answered by Iknowthisone 7 · 0⤊ 0⤋
Most of them are just decorations.
Dutch use the real version of it to pump water for draining the fields so they can use it for cultivation or pasture.
To day the wind mills are producing electric power world wide. On a larger scale they are arranged like windmill farms, to supply electrical energy to whole community.
2007-02-18 13:45:44 · answer #3 · answered by minootoo 7 · 0⤊ 0⤋
sounds like you're talking about large electric generators. basically, wind blows on them, causing the windmill to spin, which drives an internal generator that converts the mechanical rotational energy to electric currents.
2007-02-18 12:55:30 · answer #4 · answered by aaron p 2 · 0⤊ 0⤋
They are used for generating electricity from the force of wind and also for polishing rice.
2007-02-22 07:43:44 · answer #5 · answered by suraj_erw 2 · 0⤊ 0⤋
Hi. The modern one generate power by spinning a generator. http://en.wikipedia.org/wiki/Wind_turbine . The older looking ones usually pump water.
2007-02-18 12:54:49 · answer #6 · answered by Cirric 7 · 0⤊ 0⤋
power generation
mechanical energy into electrical energy
2007-02-18 22:47:14 · answer #7 · answered by The Prince of Egypt 5 · 0⤊ 0⤋