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Q: What are 3 machines or devices that depend on gravity to work?
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What devices does gravity depend on to work?

Gravity needs no specific "devices". ANY mass in the Universe attracts ANY other mass. So, the only thing you need for gravity to work, is to have two objects that have mass - so basically, any two objects.


What is the 2 forces that work against machines?

friction and gravity


What are three machines that depend on gravity to work?

car tap coffee machine shower satellite


A device that changes the size or direction of force used to do work?

Those kinds of devices are called machines.


Why fountain pens are not used in space?

Fountain pens depend on gravity to pull the ink down to the nib. In Zero gravity, they don't work.


What is a simple michine?

Simple machines are devices that makes work easier- changing size, direction, speed of force


How does a gravity generator?

The term "gravity generator" seems to be used for different concepts. The first hits in Google are related to machines that purport to provide "free energy", in other words, a perpetuum mobile (perpetual motion machine). Such machines are not possible to build - there are good reasons to believe that the Law of Conservation of Energy is valid, in other words, you can't make energy out of nothing. You can see many such designs, and explanations of why they don't work, if you search the Internet for "the museum of unworkable devices".


What means of marine engineer?

It means you work as an engineer for the USMC (United States Marine Core) or if you mean marines as in marine biology, then it means you will work on mechanical devices meant to be submerged in a 5hit load of water. War machines or water machines.


Are spirit levels affected by gravity?

Yes they depend on gravity to work. the buble in the spirit is lighter then the spirit and there fore goes up. The weight of anything is determined by the amount of gravitic atractoin.


How is machines related to work?

how is machines related to work


What does the term labor saving devices mean?

Things that doesn't need lots of work on. Like washing machines, dishwashers, vacuum cleaners and so on.


Does peristalsis work against gravity?

Yes, peristalsis will work against gravity.