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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: 1490
´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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38
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