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easy: Both use pressure now hydrolics used liquids (liquids cannot be compressed) to exhert pressure pneumatics uses gasses which are compressed to exhurt pressure thtas the basics anyway
No, gasses do.
Yes, liquids can be compressed, but relatively little, and requiring much higher pressures compared to gasses.
Liquids are cannot be compressed because the particles are close together and compact- this means that the particles cannot get closer together. Therefore liquids can't be compressed.
a liquid can be compressed
baybi
Liquids in general have very little space between molecules. Gases have lots of space, and therefore can be easily compressed, but liquids don't.
Because liquids can't be compressed. Whatever movement you put in at one end you get back at the other. Gasses can be compressed, like a spring, which is kinda awkward if you want to build something that can be closely controlled.
solids cannot be compressed at all, if you compress a liquid enough it will become a solid by freezing, gasses can be compressed however if compressed enough it will become a liquid
Solids CAN be compressed but, compared to gasses, it's very difficult to tell. Solids, like liquids, are more difficult to compress than gasses because their atoms are much closer together and impart proportionally more force on each other
Liquids cannot be compressed or expanded. However, if you "squeeze" water, it will find its way out between your fingers. Hope this helps.
Compressional, gasses can be compressed but cannot be wiggled side to side.