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2 21 1
2 2
A BM M
A A B B
E E
mv mgh mv mgh
2
2
2
0
1
2
1
2
2
A
B
B
B
v
mgr mv mg r rSen
gr v gr grSen
v grSen
2
2
2
N
N
N
vF m
r
grSenF m
r
F gmSen
2B AL x x
2
2
2
B A
B A
B A
L x x
x x
x x
A B B
AB
B
W T m a
W Ta
m
2
22
4 2
4 2
4 2
4 2
4 2
4 2
4 2
2
4
AA A
BA A
A A B
AB
A
AB
A
A A
A B
B A B A A A
B A A A A B
B A A A B
A A B
B A
WT W a
g
aT W m
T W m a
T Wa
m
T Wa
m
T W W T
m m
Tm W m W m Tm
Tm Tm W m W m
T m m W m m
W m mT
m m
2
4
3
4
3
4
A B B
A A B
A A B B
B A
A A B
B B
A B
A A B
B
B A B
W T m a
W m mW W m a
m m
W m mm a
m m
W m ma
m m m
31
2 4
A A B
A
B A B
W m ma
m m m
ω ẇ
θ
2 2 2 2
2
a a r arCos
r aCos
2
2
2
2 2
r aCos
r v a Sen
r a Cos a Sen
2
v
aSen
2
2
S
S
S
F mv
F m a Sen
F am Sen
2
2
2
2
2
22
2
N
N
N
vF m
R
vF m aCos
aSen
mv CosF
aSen
4 2
2
F kx
d
d cm
2 2
2
1 1( )
2 2
1( )
2
A BM M
B
E E
mg h d mv mk
mg h d mk
2
2
2 10 4
80 /
f
f
v
v cm s
102
2 102 204
inicial finald d cm
F kd N
2
2 2
2 2
(1,2)
2 2
(1,2)
(1,2)
1
2
12
2
400 100 100 400 0
4
2
100 100 4*400
2
10000 91.651
2
5045.82
4954.174
A BM ME E
mg h d d
d d d d
b b acd
a
d
d
d
d
2 4954.174
99.1
máxF kd
F
F N
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