The pressure on a circular plate is measured by measuring the force on the plate and the radius of the plate. If the errors in measurement of force and radius are 5 % and 3 % , respectively, then the

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The pressure on a circular plate is measured by measuring the force on the plate and the radius of the plate. If the errors in measurement of force and radius are 5 % and 3 % , respectively, then the percentage of error in the measurement of pressure is

TestHub · Accepted Answer

P = F A = F π R 2 Δ P P × 100 = Δ F F × 100 + 2 Δ R R × 100 = 5 + 2 3 = 5 + 6 = 11 Δ P P × 100 = 11 %

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