A 20 Pa pressure is applied on the head of a nail placed perpendicular to the surface of a wall. If the area of cross section of the tip of the nail is (1/10) times the area of cross-section of the head, find the pressure exerted at the wall.
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20/(1/10)= 200 pa
Pressure is inversely proportional to area
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Answer:200 Pa
Explanation:The formula of Pascal is defined as (Force applied/area covered) as in this case the area is decreased to 1/10 of the original . The force applied will be 10 times more. It means the answer is 20×10 =200 Pa
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