Static electricity does not provide a reliable or consistent source of power because it is typically generated in small amounts and is difficult to control and store effectively. It is also easily dissipated through contact with other objects, which means it is not practical for use as a continuous power source.
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Friction is useful in helping to prevent objects from slipping or sliding when a force is applied to them. This is why we are able to walk, drive vehicles, and grip objects with our hands.
The constellation Ursa Minor, the little bear, contains the star Polaris which, in modern times appears to remain stationary above the North Pole. This can help people in the Northern hemisphere locate the northward direction.There are other constellations which rise and set at different times of the night in different seasons. This information can be ueful in telling the time.
Gears:They are used in bicycle to gain speed faster and to paddle less it is very useful as it requries very less energy,it is very ueful in moumains as there are very steep slopes and if we put gears it is easier to paddel.by mukul thakur (SHIMLA,HP)For transmitting rotational torque.You could use gear for putting a wheel thing.
if your killing an animal for food purposes, then yes. if your killing a human being unless they did EXTREME wrong and were found guilty by a lawful court ( it may prove useful to have them off the streets ((E.g. a killer who kills innocent children would more then likely be deemed better off dead then alive, aka more useful dead)) then no. to sum it up : killing animals for food: useful Killing animals for no reason/leaving dead body's laying around: wrong/not ueful Killing a bad person, PROVEN to be bad by a court of law: may be useful Killing innocents: wrong/ not useful. Just my biased opinion, I'm not responsible for what you do after reading my advice.
Microsoft word is a popular Text/Word Processing software.Simply, a word processor is a computer program that lets users enter text into the computer and edit , format(ex. change text size, modify writing style) , apply designs to that text, print it and perform many other functions.It is used for the creation of reports, letters, memos, resumes, articles and all other kinds of documents that contain text. We can say that it is a successor to typewriter with many advantages like ability to store documents, correct mistakes without the need of overwriting or deletion with a rubber, copy and paste functions, mail merge, advance referencing features etc