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Central Force
GHQ
Central Force
was a home command of the
British Army during the First World War
.
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Central force
In
classical mechanics
, a
central force
on an object is a
force
whose magnitude only depends on the
distance
r
of the object from the
origin
and is directed along the line joining them:
where
is the force,
F
is a
vector valued force function
,
F
is a scalar valued force function,
r
is the
position vector
, ||
r
|| is its length, and
=
r
/||
r
|| is the corresponding
unit vector
.
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