#forcefulness__force__strength  physical energy or intensity: "he hit with all the force he could muster"; "it was destroyed by the strength of the gale"; "a government has not the vitality and forcefulness of a living man"
  supertype:  intensity__intensiveness__intensivenes  high level or degree; the property of being intense
  subtype:  brunt  main force of a blow etc: "bore the brunt of the attack"
  subtype:  momentum.forcefulness__impulse  an impelling force or strength; "the car's momentum carried it off the road"
  subtype:  energy.forcefulness__vigor__vigour  an exertion of force; "he plays tennis with great energy"
     subtype:  athleticism__strenuosity  intense energy; "his music is characterized by a happy athleticism"
  subtype:  force_unit__forceunit  a unit of measurement of physical force
     subtype:  dyne  a unit of force equal to the force that imparts an acceleration of 1 cm/sec/sec to a mass of 1 gram
     subtype:  newton__N  a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
     subtype:  sthene  a unit of force equal to 1000 newtons
     subtype:  poundal__pdl  a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons
     subtype:  lbf.__pound  a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec
     subtype:  g__gee  a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated

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