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This is what we learnt.
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F.P.S Absolute system
Fundamental quantities Mass, Length and Time.
Unit of Mass ---- Pound
Unit of Length -- Foot
Unit of Time ---- Second
Force is a derived quantity.
The Unit of force ---- Poundal
It is the force that produces an acceleration of 1 ft/s/s
in a mass of 1 pound.
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F.P.S. Gravitational system
Fundamental quantities are Force, Length and Time
Unit of Force --- Pound or Pound Wt (the gravitational force exerted by earth
on 1 pound mass with g = 32.17 ft/s/s)
Unit of Length --- Foot
Unit of Time ---- Second
Mass is a derive quantity
Unit of Mass --- Slug
It is the mass in which a pound force produces an acceleration
of 1 ft/s/s.
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