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ICSE Class 8 Answered

differentitate between 1)atmospheric pressure and liquid pressure
Asked by nathsantanukumar | 23 Mar, 2018, 07:17: PM
answered-by-expert Expert Answer
both are gravitational force of fluid column on area of 1 square metre. Atmospheric pressure is due to air present in the atmosphere. Liquid pressure at a point is due to the weight(gravitational force ) of liquid column of cross section of one square metre area. 
the formula for pressure p is  p=ρgh, where ρ is density of air/liquid, g is acceleration due to gravity and h is height of air/liquid column.
Answered by Thiyagarajan K | 24 Mar, 2018, 07:08: AM

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