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www.svt-assilah.com :1
⃗
F1=2N
⃗2
⃗
(∆) . OA =
2
R=20cm
F3=3N
. (∆)
F2=1N -1 -2
.
:2 .∆ . F3=23N
F2=25N F1=17N : . ∝= 30° OC=60cm
.∆ .
. ∆
: OB=37cm OA=16cm -1 -2
:3
OA=L
OA (∆)
.O
⃗
F=20N
A
C
= 30°
.
OA
.
-1 . -2
.
.
F
8cm
-3 .
:4 OA=L
m
h1=60cm )1 (.
OB
A ∝= 60°
(
h2
⃗2
B .)2
OA
O
= OA
O .
β = 30°
:
-1 -1-1
OA .
(∆)
.O
-2-1
F1=
.
-3-1
2
:
-2 -1-2 -2-2
. P F2 . h2
:5
(∆)
r A
P=10N S
m
(1) .O r
.O . m1=20g
C
2
B .
m
. m1
-1 -2
m
F
C . (2) .∆
. ∝
g
m
E
F
1-3
F
2-3 . ∝= 60°
.
-3
∆
F g=10N/kg : 3-3
:6 (∆)
M=2kg S
L=120cm
(OA) . O
A
(BC)
OB=
O
B
m=3kg
. . ∝= 30°
g=10N/kg : . OA
-1
⃗
(BC)
-2 . (OA)
:7 P=40N AB=80cm O . OA=20cm
AB
(∆) B m
.m
∝= 30° .(
G)
O
:8 :
(∆)
L
C
AB A . (R)
k
.D
AC= L :
B m=0,6kg
f (S)
= . ∆ℓ = 0,1 : g=10N.kg-1
.
g
m
45° -1 -2 -3 -4
F .k
(∆) .
C
O
r=10cm
(∆) :9 (S)
m .
(⃗ , ⃗2 )
= 0,5 :
.
-1
(⃗ , ⃗2 )
r F1
.
-2 -3 .
.
r F1
.
-4
.
(⃗ , ⃗2 )
-5 -5.1
C F1
-5.2
www.svt-assilah.com
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