Estática da particula
356 palavras
2 páginas
!"
#
!
"
#
$% !
&
)
&
(
=
%
&
'
!
+
)= $
#
(
=$
=$
'
*
'(
+
)
'
'*#
!,
-
-
!
.
%
/!
+*
/0
&
,
+'
,
+
-
.
/
0
3
4+
$$$
7
5
#
'
1
As componentes são:
1
=
2
1
( 9$ ) + :$$$ + (;4
A resultante é:
=
$; >4
>>
(;8 = +) + ( >;= 8 +)
>
:
= >8 8> +
θ=
−;
2
1
=
−;
>;= 8 +
>>
=< <
$=
;8 = +
$; >4
>
6
=
=
1
2
2
$$
= +8 +
= >;= 8 +
>>
=
2
( 9$ ) + :$$$ + (;; /
&
>: 7
'
6
6?
&
@;A < B+
:9
C
D6
& @>
"
D6
>> 7
&
!
1
6?
+
4 $$+
<
&
&
?0 >$$$+ /
?
1
6
"
2
*
!!
!!
/
!!
6
&(
φ
=
θ
=
0
6
&(
θ
=
@
,
=
E!
φ
=
,-
θ
=
θ
1
φ φ (
θ
=
θ
θ
3
θ
3
y
4+
5
x
θ
=
3
+
θ
F
θ
+
θ 4+
θ 5D
6
*
!!
!!
θ1 θ2 θ- &
/
,
Aλ
λ (Magnitude = 1)
θ4
!!
4
θ5
λ=
λ
θ
+
θ 4+
θ5
λ
0
2θ
5
+
2θ
+
2θ
'
(
A;
θ
7
5
#
,
→
F
>
>
>D
A λ F
;
;
;D
A
>
;
A>
G$
=
=
>
;
+
>
−
+
=
;
>
−
=
;
=λ
→
;
λ=
=
&(
=
;
(
+
=
)
+
=
>
−
;
7
.
7
66
'
&
><
$$+
D
D
H1 H2 Hθ1 θ2 θ-
E!
&
D
6
=
$
$
$
( −4 ) + (8 ) + ( : )
>
>
>
== :
44
D
−4
$
=:
44
== :
44
+
8
$
=:
44
+
:
$
=:
44
λ = −$ 4 + $ 8 8 + $ :
>4
4
;8
6
&(
θ 1 = −$ 4
>4 θ 1 = > $$=
;;
θ- = $ :
;8 θ - = ; >4
I
( −$ 4>4 + $ 848 + $ :;8 )
== :
44
E!
I<
;
>< +
$$
= Hλ
(
$$
>4
4
;8
= >< + −$ 4 + $ 8 8 + $ :
)
$
=
= −;$9 + + >;>$ + + I ;>$ + H- A I 4+
J
!
&
;<
$$$ +
&
'
&
L
1
K
?
'
7
6
J