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F FORZA ELASTICA
FISICA 1771012023
18 LEZIONE
lo m E lo)nx kx4x
k(l -
- -
= =
l -
I
ALLUNGAMENTO
/> 0
ext E .
& XL0 COMPRESSIONE o
x
F m d
.
=
-> w m
mx
kx
- =
= =
w
= 0
+ =
4) 2
sin(wt
XCH) A d
+
= 0
-
wi
+ =
d+ 2
XC0) sin 4
Xo A
Xo
= = -2
Abst
V(0) 0
0 =
= LEGGE OSCILLATORE
ORARIA
E)
Asin(w+ Y
Abswt
x(t) I
+
= = =
X(+)
A ACSWA
XCH =
As Ot
+ 2π
I
-A .
V(t)
A VCH) wt
WA sin
=-
of
POSIZIONE EQUILIBRID
DI FORZA
Fel EASTICA
m
+ =
Fel
XS -
m kXs Mess
Xs
0
- =
= K
2xS m 0
xt Xs
e
- =
=
X8 m
m -kx differenziale
Ep
= . omogenea
mon
o
kx
x s
+ - =
m 8 Xp
X m g
X m
0
+ - =
= k
k
x(t) 4)
Asi(w++ m
g
+
= K
Y)
x(t) WAcs(w+ +
=
o
-mw
(rt+Y) 4)
Asin Asi(w++ ↑
+ -8
2m + mor
Asin4
x(+ 0) 2xs AsinG-
= =
=
= : k
I (t) 0
= +
X(01 Mz0
WAGs(4) +4 =
= 2π
0 =
=
= 1
mö(cswt
A x(+
mor
= +
· =
K x(t)
*
2xS -
XS - ⑳
i I
# t