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Force = 450N

Area Of Contact = 5m * 4m = 20m2

Pressure = Thrust /Area = 450/20 N/m2 = 22.5 PA = 22.5 N/m2

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Q: What is the pressure if a body exerts a force of 450N on an area of 5m x 4m?

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Force exerts pressure. For example: At the surface of the Earth the column of air in the atmosphere above an area has a mass that exerts a force (due to gravity) on that surface area.

That's the definition of the 'pressure' which the force exerts on the surface.

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Force = Area*Pressure 1 Pascal = 1 N/m^2 1500N = Area*500Pa Area = 1500N/500Pa = 3m^2

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