Ratio of force acting perpendicular to area on which it acts known as
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✒️✒️️✒️✒️ PRESSURE ✒️✒️✒️✒️
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▶ Pressure = Thrust/Area
▶ Pressure is denoted by "P", thrust by "F" and area by "A".
▶ Thrust is the force acting perpendicularly on a surface.
▶ The S. I. unit of thrust is Newton.
▶ The S. I. unit of area is Square Metre.
▶ Overall, the S. I. unit of pressure is N/m²
▶ N/m² is also termed as "PASCAL".
▶ 1 Pascal = 1 Newton / 1 Square metre.
▶The atmospheric pressure however is generally expressed in "atm"unit.
▶ 1 atm = 1.013 × 10^5 Pascal.
▶ 1 atm = 76 cm of mercury column
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FACTORS AFFECTING PRESSURE :
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▶ Area of the surface on which the thrust acts.
▶ Magnitude of thrust acting on the surface.
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