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momentamore about momenta

## momenta

```  2  definitions  found

From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]:

Momentum  \Mo*men"tum\,  n.;  pl  L.  {Momenta},  F.  {Momentums}.  [L.
See  {Moment}.]
1.  (Mech.)  The  quantity  of  motion  in  a  moving  body,  being
always  proportioned  to  the  quantity  of  matter  multiplied
into  the  velocity;  impetus.

2.  Essential  element,  or  constituent  element.

I  shall  state  the  several  momenta  of  the  distinction
in  separate  propositions.  --Sir  W.
Hamilton.

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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