If the pressure exerted by an object on an area of 20 m2 is 20 N, what will be the force applied by the object?
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400N is the ans. your unit for pressure is wrong..its newton/m^2 or simply pascal(pa)
pressure=force/area
therefore; force = pressure x area
ie, 20 x 20 = 400N
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Which of the following is a thermoplastic?
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