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accelerations

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accelerations


  1  definition  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Parallelogram  \Par`al*lel"o*gram\,  n.  [Gr.  ?;  ?  parallel  +  ?  to 
  write:  cf  F.  parall['e]logramme.  See  {Parallel},  and 
  {-gram}.]  (Geom.) 
  A  right-lined  quadrilateral  figure,  whose  opposite  sides  are 
  parallel,  and  consequently  equal;  --  sometimes  restricted  in 
  popular  usage  to  a  rectangle,  or  quadrilateral  figure  which 
  is  longer  than  it  is  broad,  and  with  right  angles. 
 
  {Parallelogram  of  velocities},  {forces},  {accelerations}, 
  {momenta},  etc  (Mech.),  a  parallelogram  the  diagonal  of 
  which  represents  the  resultant  of  two  velocities,  forces, 
  accelerations,  momenta,  etc.,  both  in  quantity  and 
  direction,  when  the  velocities,  forces,  accelerations, 
  momenta,  etc.,  are  represented  in  quantity  and  direction 
  by  the  two  adjacent  sides  of  the  parallelogram. 




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