define pressure. write down names of its different units and show their conversions.
Answers
Answer:
pressure is defined as force per area perpendicular to the surface. That is often presented as formula p = F/A. The pressure is indicated with the letter “p”, although the capital letter “P” can also be seen being used on some occasions.
Explanation:
SI unit of pressure is pascal (represented as Pa) which is equal to one newton per square metre (N/m2 or kg m-1s-2). Interestingly, this name was given in 1971. Before that pressure in SI was measured in newton per square metre
The CGS unit of pressure is barye (Ba), equal to 1 dyne·cm−2, or 0.1 Pa.
There are several other units of pressure such as pounds per square inch and bar, unit of atmospheric pressure is atm, centimetres of water, millimetres of mercury or inches of mercury (used as a unit of blood pressure), torr, MSW and FSW.
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