1) A sword is sharpened to have an area of 0.02m2. When it strikes its target it exerts a pressure of 2000Pa. How much force did the samurai swing his blade with? a) 100000N b) 40N c) 4N d) 400N e) 40000N f) 1000N 2) The glass will break if a pressure higher than 6000Pa is applied to it. This woman is exerting a force 800N over an area of 0.25m. Will the glass shatter. a) Yes b) No 3) The pressure under these snow shoes is 50Pa. The area of the snow shoes is 16m2. what must be the force exerted by the person? a) 80N b) 8N c) 8000N d) 800N e) 3.125N f) 31.25N 4) The elephants foot applies 1000N of force over an area of 20m2. The high heels exert 360N of force over 0.2m2. How much higher is the pressure under the high heels? a) 750Pa b) 1650Pa c) 1750Pa d) 1750N e) 1750m2 f) 17500Pa 5) Is being able to calculate pressure useful? a) Yes b) No

Pressure Calculations

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