Windmills

Windmills generate power by converting the kinetic energy of moving air (wind) into mechanical energy through the rotation of their blades. If there is no wind, windmills do not produce power because there is no motion to drive the turbines.

Most usually as in the past, to pump well water to irrigate their fields with. Holland is a good example with the way they pump water out of the swamps.
However, only recently, here in Wyoming a local farm installed a bunch of wind mills to generate electricity with & get paid by the power companies.
They don't realize that all actions have subsequent reactions. To burn oil is to create smoke. To install windmills will, as they will eventually find out, will slow the wind & slow the rotation of the Earth.
Overpopulation is the problem, not the answer.

A windmill is typically used to grind grain or pump water, and has a larger number of blades with a horizontal axis. On the other hand, a wind turbine is used to generate electricity, with fewer blades and a vertical axis. Wind turbines are more efficient and designed for modern renewable energy generation.

Most commonly through windmills. the wind pushes on a tilted blade causing it to rotate. A generator inside the windmill then truns the kinetic energy of the rotation into an electric current.
u blow on it

Depends on the size of the windmill and how much wind is available.

Domestic wind turbines are an interesting hobby, but practically cost so much they will struggle to break even over 25 years. You can't rely on it to be windy enough in most places.

Large scale Wind Farms can provide huge amounts of energy but obviously you can't put them in your back yard.

Home Depot sells a residential wind turbine that outputs up to 900 watts or 60 amps (in ideal conditions). The largest wind turbines can generate up to 7 megawatts!

While windmills and wind turbines both harness wind energy, they serve different purposes. Windmills are traditionally used to mill grain or pump water, while wind turbines are used to generate electricity. Wind turbines have a more modern design and typically operate on a larger scale than traditional windmills.

A compass does not use energy to function, as it relies on Earth's magnetic field for its operation. The needle in a compass aligns itself with the Earth's magnetic field, pointing towards the magnetic North Pole.

Windmills are large in order to capture as much wind energy as possible. The larger the windmill blades, the more wind they can catch and convert into rotational energy to generate electricity. A large size also helps in producing more energy efficiently, making wind energy a cost-effective renewable energy source.

According to Chris Freyberg, acting director of the Emergency Department at New York Downtown Hospital, getting the "wind knocked out of you" is not a loss of lung air volume but rather a temporary paralysis of the nerve to the diaphragm.

A blow to the chest can stun the phrenic nerve (roots C3,4,5), which supplies innervation to the diaphragm. The diaphragm is unable to contract (lower) as a result, preventing subsequent volume changes that facilitate breathing.

Credit to Jeffrey Kluger, "Two Fisted Science", Discover Magazine, 07/01/1993

The noise level of windmills typically ranges from 35 to 50 decibels at a distance of about 300 feet, which is comparable to the sound of a quiet conversation or a refrigerator running. Modern wind turbine designs have significantly reduced noise levels compared to older models.

Windmills are primarily used to generate electricity from wind energy. They convert the kinetic energy of the wind into mechanical power, which is then converted into electricity through a generator. Windmills are a renewable energy source that helps reduce reliance on fossil fuels and lower carbon emissions.

No. Well, not really. Some windmills run on wind alone (like the old Dutch windmills). Others use the wind to create electricity, and use some of that electricity to perform their own asks (such as rotating their fins to take best advantage of the wind they are catching). I'd expect big wind turbines would have their own processors and communications equipment to relay data and handle chores like aiming themselves to the wind and pitching the blades. They probably run and draw some power even when the turbine isn't generating it's own.

A windmill turns because of the force of the wind pushing against its blades. This force causes the blades to rotate, which in turn powers machinery or generates electricity. Windmills have been used for centuries to harness wind power for various purposes.

Don't depend on someone to answer this question for you. Try to figure it out yourself!

A windmill is a type of simple machine known as a wheel and axle. The wind causes the blades of the windmill (wheel) to rotate around an axis (axle), converting wind energy into mechanical energy.

Older windmills typically have a simpler design with smaller blades and lower efficiency compared to newer windmills. New windmills are larger and more advanced, with improved technology and taller towers to capture stronger winds at higher altitudes. Additionally, newer windmills can generate more electricity due to enhanced power conversion systems.

Yes, wind power is a source of energy.

A windmill generates power through its blades capturing the kinetic energy of the wind and converting it into mechanical energy. This mechanical energy is then transferred to a generator, which converts it into electrical energy. The speed at which the windmill rotates affects the amount of power it can generate.

how tall were the typical farm windmills in 1900

The windmill's blades act like a rotating fan which pushes the rod attached to it to the direction the wind is blowing. As it goes to the end of the rod, the stone, which is attached to the rod too spins. This causes the two stones which are joint together crush and grind the grain between them.

The Main problem with Windmills is they will only run when there is enough Wind.

Wind energy is needed as a renewable and sustainable source of electricity generation that helps to reduce carbon emissions and combat climate change. It also diversifies our energy sources, enhances energy independence, and creates jobs in the clean energy sector. Additionally, it provides a reliable source of power that can help to stabilize the grid and improve energy security.

Some disadvantages of windmills include their potential impact on local wildlife, such as birds and bats, the intermittency of wind as a power source, which can require additional energy storage solutions, and the visual impact they may have on the landscape, which can be seen as unsightly to some people.

Weather creates masses of moving air. Some of the energy of the air can be captured by a windmill or wind turbine and converted into another form.

In a modern wind turbine the blades are aerodynamically shaped to get the most power from the wind. The blades turn a generator which produces electrical energy.

Energy is produced from various sources such as fossil fuels, renewable sources like solar and wind power, nuclear reactions, and by harnessing the energy stored in chemical bonds through processes like combustion and cellular respiration. Ultimately, energy is created by converting one form of energy into another through various natural and human-made processes.