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zloy xaker [14]
3 years ago
6

Why are liquids used in a hydraulic system

Physics
1 answer:
faust18 [17]3 years ago
3 0
Liquids are used in a hydraulic system because unlike gases, liquids CAN NOT BE compressed therefore making them  the ideal substance for the hydraulic system.
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for example: water when heated it undergoes a Physical Change and turn into vapor, this means the heat cause the distance between water molecules to increase, so it transferred from the liquid form to the gas form. 

NOTE that in Physical Change there is no change in the chemical structure and the material retains all its chemical properties, and no new compounds are produced. 

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BUT in Chemical Change ( or Chemical Reaction ) there would be change in the chemical nature of the material undergoing a Chemical Change with the production of new compounds.
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