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5
GZijbf_j
:
- ^eyiheh]hbkiehrgh]hpbebg^jh\jbk,[
)(
2
22
rR
m
J
z
+=
, (1)
)33(
12
222
hrR
m
JJ
yx
++==
, (2)
^eykiehrgh]hpbebg^jZih^klZ\eyxlr=0),
- ^eylhgdh]hkl_j`gy
3
2
mr
J
z
= , (3)
-
^eydhevpZdjm]eh]hk_q_gbylhjZjbk
,
Z
)
4
3
(
22
rRmJ
z
+= , (4)
)
8
5
2
(
2
2
r
R
mJ
x
+= . (5)
Hk_\hc fhf_gl bg_jpbb khklZ\gh]h l_eZ
jZ\_g kmff_ fhf_glh\ bg_jpbb hl^_evguo
qZkl_c hlghkbl_evgh lhc `_ hkb \jZs_gby
.
Hk_\hc fhf_gl bg_jpbb l_eZ hlghkbl_evgh
p_gljZevghc hkbijhoh^ys_c q_j_a p_glj
fZkkbf__lfbgbfZevgh_agZq_gb_
IZjZee_evgh_ kf_s_gb_ hkb \jZs_gby
ijhoh^ys_c q_j_a p_glj fZkk ijb\h^bl d
m\_ebq_gbx fhf_glZ bg_jpbb Ih l_hj_f_
Wce_jZ fhf_gl bg_jpbb l_eZ hlghkbl_evgh
dZdhc-eb[h hkb jZ\_g fhf_glm bg_jpbb lh]h
`_ l_eZ hlghkbl_evgh hkb _c iZjZee_evghc
gh ijhoh^ys_c q_j_a p_glj fZkk l_eZ iexk
ijhba\_^_gb_fZkkul_eZgZd\Z^jZljZkklhy
gbyf_`^mhkyfb
2
mcJJ
o
+= . (6)
Hk_\hc fhf_gl bg_jpbb l_e keh`ghc
beb g_ijZ\bevghc nhjfu gZ ijZdlbd_ qZklh
hij_^_eyxlwdki_jbf_glZevgufbf_lh^Zfb
Z
[
Jbk
GZijbf_j:
- ^eyiheh]hbkiehrgh]hpbebg^jh\ jbk,[
m
J z = (R2 + r 2 ) , (1)
2
m
J x = J y = (3R 2 + 3r 2 + h 2 ) , (2)
12
^eykiehrgh]hpbebg^jZih^klZ\eyxlr=0),
- ^eylhgdh]hkl_j`gy
mr 2
Jz = , (3)
3
- ^eydhevpZdjm]eh]hk_q_gby lhjZ jbk,Z
3
J z = m( R 2 + r 2 ) , (4)
4
R2 5 2
J x = m( + r ). (5)
2 8
Hk_\hc fhf_gl bg_jpbb khklZ\gh]h l_eZ
jZ\_g kmff_ fhf_glh\ bg_jpbb hl^_evguo
qZkl_c hlghkbl_evgh lhc `_ hkb \jZs_gby.
Hk_\hc fhf_gl bg_jpbb l_eZ hlghkbl_evgh
p_gljZevghc hkb ijhoh^ys_c q_j_a p_glj
fZkk bf__lfbgbfZevgh_agZq_gb_ Z
IZjZee_evgh_ kf_s_gb_ hkb \jZs_gby
ijhoh^ys_c q_j_a p_glj fZkk ijb\h^bl d
m\_ebq_gbx fhf_glZ bg_jpbb Ih l_hj_f_
Wce_jZ fhf_gl bg_jpbb l_eZ hlghkbl_evgh
dZdhc-eb[h hkb jZ\_g fhf_glm bg_jpbb lh]h
`_ l_eZ hlghkbl_evgh hkb _c iZjZee_evghc
gh ijhoh^ys_c q_j_a p_glj fZkk l_eZ iexk
ijhba\_^_gb_fZkkul_eZgZd\Z^jZljZkklhy
gbyf_`^mhkyfb
[
J = J o + mc 2 . (6)
Hk_\hc fhf_gl bg_jpbb l_e keh`ghc Jbk
beb g_ijZ\bevghc nhjfu gZ ijZdlbd_ qZklh
hij_^_eyxlwdki_jbf_glZevgufbf_lh^Zfb
5
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