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홍차넷
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Warning: Use of undefined constant is_admin - assumed 'is_admin' (this will throw an Error in a future version of PHP) in /home/redtea/html/zero_header.php on line 269
Warning: Use of undefined constant level - assumed 'level' (this will throw an Error in a future version of PHP) in /home/redtea/html/zero_header.php on line 300
Warning: Use of undefined constant title - assumed 'title' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/bbs_title.php on line 16
질문
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- 질문 게시판입니다.
Warning: Use of undefined constant use_formmail - assumed 'use_formmail' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/lib.php on line 519
Warning: Use of undefined constant use_category - assumed 'use_category' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/include/print_category.php on line 9
전체기타게임진로연애가정/육아체육/스포츠교육의료/건강철학/종교IT/컴퓨터여행과학문화/예술법률홍차넷경제
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Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 2
Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/memo_replace.php on line 3
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| Date |
Warning: Use of undefined constant reg_date - assumed 'reg_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 53 17/06/27 16:41:18 Warning: Use of undefined constant mod_date - assumed 'mod_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 56 |
| Name | April_fool |
| File #1 | Part2.PNG (418.7 KB), Download : 2 |
| File #2 | Part2_Model_1.png (34.3 KB), Download : 2 |
| Subject | [공학] 전단 하중 구하는 법을 알고 싶습니다. |
  다음과 같은 물건이 있습니다. (위 그림은 단순화된 단면도입니다.) 이 물건의 한쪽 끝 부분은 모터(3.7 kW, 60 rpm)와 연결되어서 돌아갑니다. 제가 알고자 하는 것은, 이 물건의 양쪽 끝과 가운데 부분(중공축)을 연결하는 핀이 충분히 튼튼해서 돌아가다가 부러지지 않는지의 여부입니다. 여러 모로 찾아보니, 이걸 알기 위해서는 먼저 전단 하중이라는 것을 구해야 하는 모양입니다. 그런데 이걸 어떻게 구하는지 잘 모르겠습니다. 혹시 이걸 아시는 공학도 또는 공학도 출신이신 분이 있다면, 이 불쌍한 문돌이에게 가르침을 좀 주시면 감사하겠습니다. Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 133 Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 146 Warning: Use of undefined constant vote - assumed 'vote' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view.php on line 161 0 이 게시판에 등록된 April_fool님의 최근 게시물
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Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 640
Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/view.php on line 644
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Warning: Use of undefined constant HTTP_HOST - assumed 'HTTP_HOST' (this will throw an Error in a future version of PHP) in /home/redtea/html/pb/cmt_replace.php on line 3
Warning: Use of undefined constant ismember - assumed 'ismember' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 6
Warning: Use of undefined constant file_name - assumed 'file_name' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 28
Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 65
25886 class="iamcmt" style="display:none;"> Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 66
25886 class='vcm '>
Warning: Use of undefined constant x - assumed 'x' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 70
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25886'> CONTAXS2
Warning: Use of undefined constant mod_date - assumed 'mod_date' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 133
Warning: Use of undefined constant no - assumed 'no' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 140
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17/06/27 17:13
25886>삭제 주소복사
Warning: Use of undefined constant level - assumed 'level' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 150
공학도였지만..
저 (갈색) 핀이 전단되겠군요. 근데 한쪽에서는 돌고 - 다른 쪽에서는 '못돌게'하는게 아니라 '돌 수 있음 돌아보시지'하면 저 핀에는 아무런 힘이 작용하지 않습니다.
근데 다른 쪽에서 '돌면안돼!'하면 전단력이 작용하겠죠. 쉬어 스트레스.
그럼 그 다른쪽에서 '돌면안돼!'라고 하는 힘이 어느정도인지가 중요한데, 그게 없으므로 못구함. -_-v
Warning: Use of undefined constant level - assumed 'level' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 158
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Warning: Use of undefined constant vote - assumed 'vote' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 171
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Warning: Use of undefined constant vote - assumed 'vote' (this will throw an Error in a future version of PHP) in /home/redtea/html/a_skin/bbsd/view_comment.php on line 173
저 (갈색) 핀이 전단되겠군요. 근데 한쪽에서는 돌고 - 다른 쪽에서는 '못돌게'하는게 아니라 '돌 수 있음 돌아보시지'하면 저 핀에는 아무런 힘이 작용하지 않습니다.
근데 다른 쪽에서 '돌면안돼!'하면 전단력이 작용하겠죠. 쉬어 스트레스.
그럼 그 다른쪽에서 '돌면안돼!'라고 하는 힘이 어느정도인지가 중요한데, 그게 없으므로 못구함. -_-v
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25886>
25886>
