Comprehensive revision notes on Gravitational Fields from the Edexcel Physics A Level syllabus from an A* student in the 23/24 exam cycle. Complete with labelled diagrams and thoroughly fact checked and up to date.
, ① Gravitational field strength
·
A force field is an area in which an
object experiences a non-contact force
.
·
A gravitational field is a force field in which objects with mass experience
an attractive force .
·
Gravitational field Strength (g) is the force per unit mass exerted by
a
gravitational field on an object .
Types of gravitational fields
·
Uniform field : Save gravitational force on a mass
anywhere in the
field
.
rvrouvrovvvvvv
-
uniform field
gigravitational field strength
F
- F force
9
- =
I
M
m = mal)
·
Radial field : Force exerted depends on the position of the object in th field
.
g is related to ~ (distance) via inverse square law :
t
* - -
.....
g
=
radial field
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