ELECTROSTATICS
T
conversions:
15-3
Charge is of protons (t) and electrons (7) m4-c x
a
property
Symbol: Q or
9 ho
nC-2d x10-9
smallest possible
charge -1a-- -
1,6 x109( PC->)x15h
↳>
charge or one electron (proton
I proton-1+1,6 x10-C
Private of conservation of
charge:
The of the will
algebraic sum
changes in an isolated
system remain constant
he will the
objects until the same
move between they have
charge)
#
from
will move more
negative to less
negative
Cowomb's law
Two free space forces The force is
point changes in or air exert on each other.
directly proportional to the
of of distance between
product
thechargesand inversely proportional to the
square the the
charges
I
#92-(C)
F= r
S
<mb
CNL
tips to calC:
contact number of
make add we
signs
+ divide
by objects
· -
le
=
=> 1,0 x18-19 (
"le=1,3 x159) +49 C
converting e-to
charge
-
use =
Y
·
-> if were
-
transferred. FIRST do
09= 98-92
(lots of infor
force between 2 - CHECK if to E F
point charges need cak or
·
you
-> Colomb's law-make data list (convert to 5.1 units)
-> DO NOT SUBSIGNS FOR CHARGES
-> remember to state direction is
wet force on 1 of point charges
-
look to see which net force
-> draw 2 forces (tails tog.
->
calculate net (resultant)
force I if
between paint chargest changes are
simple-use direct inverse
·
I
2
situations, very little info
proportionality
->
multiple difficult changes:
I data lists (keep symbols)
Colomb's law to both lists
Find circle: dentical sets of
symbols
·
·substitute
T
conversions:
15-3
Charge is of protons (t) and electrons (7) m4-c x
a
property
Symbol: Q or
9 ho
nC-2d x10-9
smallest possible
charge -1a-- -
1,6 x109( PC->)x15h
↳>
charge or one electron (proton
I proton-1+1,6 x10-C
Private of conservation of
charge:
The of the will
algebraic sum
changes in an isolated
system remain constant
he will the
objects until the same
move between they have
charge)
#
from
will move more
negative to less
negative
Cowomb's law
Two free space forces The force is
point changes in or air exert on each other.
directly proportional to the
of of distance between
product
thechargesand inversely proportional to the
square the the
charges
I
#92-(C)
F= r
S
<mb
CNL
tips to calC:
contact number of
make add we
signs
+ divide
by objects
· -
le
=
=> 1,0 x18-19 (
"le=1,3 x159) +49 C
converting e-to
charge
-
use =
Y
·
-> if were
-
transferred. FIRST do
09= 98-92
(lots of infor
force between 2 - CHECK if to E F
point charges need cak or
·
you
-> Colomb's law-make data list (convert to 5.1 units)
-> DO NOT SUBSIGNS FOR CHARGES
-> remember to state direction is
wet force on 1 of point charges
-
look to see which net force
-> draw 2 forces (tails tog.
->
calculate net (resultant)
force I if
between paint chargest changes are
simple-use direct inverse
·
I
2
situations, very little info
proportionality
->
multiple difficult changes:
I data lists (keep symbols)
Colomb's law to both lists
Find circle: dentical sets of
symbols
·
·substitute
