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Colección de problemas de Dinámica del Sólido (2/3).
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Incluye problemas resueltos de Dinámica del Sólido.
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homagen oXZ (31 : Cilindro Masas am
6
f
macizo
523
Radio : R
S5M El
eje Oz de (3) está articulado al eje 0 mediante cojinete restricción
1
con
z7
3
etn
axial
.
La particula M (121) esta siempre en la helice de 13) ( liso
contacto
4
)
(3):
Helice del cilindro
JYz
I
~
Xs R s
Ręsta
tg 45';
125
Ro
Ç
50
s RP
@
J
$1
450
z3l
j
"
o
P
cilíndricas
.
Ecuación parametrica de la helice encoor
r
23--
.B
Helice - OI
lpárametro
P
:
:D
RD
E ñ
.
b sF
:rIPJ
Triedro de una curva curva
:
,
döldö
E
187:
Idöldoll
ń (8) = b ( n E (
P)
drldonPrIdoz
P)
BLOJ
:
l dildon Pridoz 1
Para la helice
:
FCPtrosthr ( 23 LP
)-RBK3
Helice
CPIK3-Rar
:
P14
=
Rdur dp RKZ RKs
dr
a
-RÜO-
8
Q Rue :
drap
:
Q Q
.
'r
Rur
.RKC3)
d
82:
8
0
-
UDLB K
3
EL
8J:YW
)K
bIO 4 "3
O
18)-
1:%
Q,
( (
P1-tr
ñ
P}
-
4 . 0
Coordenadas generalizadas
:
, contacto
incognitas de
:
Bel exterior sobre (3): ( Cojinete con restriccion
axial deeje 02:023)
{
Resultante113 z
0ky
R
1
:
:
.
a4j,tojy4
Momento resp MIB MoJs
.aO:
3:Loii+
De 131 sobre partícula (2); R WNNIP WIDIP
)T
5/2:
)
Fuerzas directamente
5.
plicadas
sobre el cilindro Ninguna
:
sobre la partícula Atracción de 04 proporcional lote de proporcionalidads 813 a la distancia al dicho plano
:
sys
mw?)
.
Así
:
Ks
F Icomo Z 23
..81mW?zjM
1M:
M--RP)
IM 813
mW?ROKs
,
4.- de
incognitas de ecuaciones
N8
y
.
l
9.8
Incognitas
4 4 20, do Mo Un No
.
o,
o,
,
.
Ecuaciones de la cinámica
{
A solido becuaciones
Sistema -
,
9 ecuaciones de la dinámica
A particula ecuaciones
,3
Écuaciones de la dinamica
:
inte decontactorn
Hay dos ecaciones en las
que no ienen las incognitas
*1 la partícula 12):
A
Ecmaciin de Newton
:
F R
MEM M
F $ FM
.
:
s"].E.MOzYE:
-
.
.E?
312
*1 Al sistema (2)+ (3) :
completo
Ecuación del momento cinetico respecto al punto o
:
AETs MjAB dito i dItto ,
Hto-ks-cte
OM (": 1- 14 s
:0 2
5:0
:
-k)
y:
1FM+
dt dt dt
s }
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