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¹¯°í ´äÇϱâ - Q&A



Á¦   ¸ñ  
±âÃÊ¿ªÇÐ ¹®Á¦ Ç®ÀÌÁ» ¾Ë·ÁÁÖ¼¼¿ä ¿µ»óÀ» ºÁµµ ÀÌÇØ°¡ ¾È°¡¿ä ¤Ð¤Ð
[ 2021-09-27 16:18:14 ]
±Û¾´ÀÌ  
esaspace1313
Á¶È¸¼ö: 1433        
´Ü¸éÀû 20 cm2ÀÇ Àç·á¿¡ 6000 kgfÀÇ Àü´ÜÇÏÁßÀÌ ÀÛ¿ëÇÏ°í ÀÖÀ» ¶§ ÀÌ Àç·áÀÇ
Àü´Ü º¯Çü·üÀº? ( ´Ü, G = 0.8 x 106 kgf/cm2 ÀÌ´Ù.)
°¡. 2.81 x 10-4             ³ª. 3.75 x 10-4
´Ù. 2.81 x 10-3             ¶ó.  3.75 x 10-3


ÆøÀÌ 5cm, ³ôÀÌ°¡ 10cmÀÇ ´Ü¸éÀ» °®´Â º¸¿¡ ±ÁÈû¸ð¸àÆ® 10,000kgf․cm °¡ ÀÛ¿ëÇÒ ¶§, º¸¿¡ »ý±â´Â ±ÁÈûÀÀ·Â Àº ¾à ¸î kgf/cm2 Àΰ¡?
 °¡. 120    ³ª. 240    ´Ù. 340    ¶ó. 480


±ÁÈû ¸ð¸àÆ® M=4000kg-cmÀÌ°í ±ÁÈû °­¼º°è¼ö EI = 2.0 ¡¿ 106 kg¤ýcm©÷ÀÏ °æ¿ì °î·ü ¹Ý°æÀº ¸î mm Àΰ¡?
°¡. 3   ³ª. 4   ´Ù. 5   ¶ó. 6
guest1 µÎ ¹ø° °Å´Â ¾Æ·¡ ¸µÅ©ÇÑ °è»ê±â·Î ÇØ º¸´Ï 120 ³ª¿À³×¿ä.
http://ezformula.net/esne/aboard/addon.php?file=main_form_detail2.php&fcode=1112537&bgrcode=1015&mgrcode=1086&fupman=today 
[2021-09-28 08:29:51]
guest1 ù ¹ø° °Å,
º¯Çü·üÀ̴ϱî, d/h = V/(A*G) = 6000/(20*800000) =  0.000375 = 3.75*10^-4 
[2021-09-28 08:48:54]
guest1 °î·ü¹Ý°æ ¥ñ = E*I/M = 2000/4 = 500 cm 
[2021-09-28 09:24:51]


1/2, Total : 38
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36 ¹®Á¦Ç®ÀÌÁ» µµ¿ÍÁÖ¼¼¿ä ji12122 2023-04-02 1226
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33 µ¿¿ªÇÐ ¹®Á¦¸¦ Ç®·ÁÇϴµ¥ µµ¹«Áö ¾ÈÇ®¸³´Ï´Ù..Ç®À̸¦ ¾Ë°í½Í¾î¿ä. [1] hwan212 2022-03-09 1725
±âÃÊ¿ªÇÐ ¹®Á¦ Ç®ÀÌÁ» ¾Ë·ÁÁÖ¼¼¿ä ¿µ»óÀ» ºÁµµ ÀÌÇØ°¡ ¾È°¡¿ä ¤Ð¤Ð [3] esaspace1313 2021-09-27 1434
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