Resulting from a light wind, the air pressure imbalance of 100 Pa acts across the 1.2-m by

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Resulting from a light wind, the air pressure imbalance of 100 Pa acts across the 1.2-m by 2-m surface of the highway sign (Figure P4.11, see on page 172).

(a) Calculate the magnitude of the force acting on the sign.

(b) Calculate the moment produced about point A on the base of the signpole.


Figure P4.11

2 m Brake Test Area 1.2 m 1.4 mi 100 Pa 6.5 m A

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An Introduction To Mechanical Engineering

ISBN: 9781111576820

3rd Edition

Authors: Jonathan Wickert, Kemper Lewis

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