Standard Pound Force

Standard Pound Force: For use in defining the magnitude of a standard unit of force,
known as the pound force, a fixed value of 32.1740 ft/sec2, designated by the symbol g0,
has been adopted by international agreement. As a result of this agreement, whenever the
term mass, M, appears in a mechanics formula and the substitution M = W/g is made, use of
the standard value g0 = 32.1740 ft/sec2 is implied although as stated previously, it is customary
to use approximate values for g except where extreme accuracy is required.

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