Gravitational Force
Field of
-
a
region space, where an objectwith
will feel force.
a
particular property
a
fom field:
a 1) Density of the lines-field
strength
2) Arrows show direction ofthe field
3)
tenantfield density
Near the surface of the Eatthe
# the field is inform
F
direction
·constant lines
of
4) =
mg onlyat
Earth surface, as
the field changes at
differentdistances
Real
field:
*
further
each line
parallel
is to the radius
from the center the
*
away
field decreases
strength
II
* .
the lines thecentre
meet
Gravitational force -
attractive force between two
of which productof
bodies mass is
proportional to the
the masses and
inversely proportional to the
separation squared.
F
GMm [N] E2 masNm]
=
g
=
ofthe object, creatingthe field.
point
Gravitationalefield strength-force per
unit mass atthat
Field of
-
a
region space, where an objectwith
will feel force.
a
particular property
a
fom field:
a 1) Density of the lines-field
strength
2) Arrows show direction ofthe field
3)
tenantfield density
Near the surface of the Eatthe
# the field is inform
F
direction
·constant lines
of
4) =
mg onlyat
Earth surface, as
the field changes at
differentdistances
Real
field:
*
further
each line
parallel
is to the radius
from the center the
*
away
field decreases
strength
II
* .
the lines thecentre
meet
Gravitational force -
attractive force between two
of which productof
bodies mass is
proportional to the
the masses and
inversely proportional to the
separation squared.
F
GMm [N] E2 masNm]
=
g
=
ofthe object, creatingthe field.
point
Gravitationalefield strength-force per
unit mass atthat
