更新1:
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F1 =2.9kN, F2 =1.9kN. Magnitude of the resultant force? Angle between the resultant force and the x axis? The resultant couple moment at A?
回答 (1)
2015-05-01 3:04 pm
F1x+F2x = 1.740+1.645 = 3.385 kN
Momentum seen from B
1.74*2+1.645*4 = 10.25 kNm ccw
Momentum seen from A
1.74*4+1.645*2+3*8 = 34.06 kNm cw
Resulting momentum seen from A
34.06 kNm cw+10.25 kNm ccw = 23.81 kNm cw
Momentum seen from B
1.74*2+1.645*4 = 10.25 kNm ccw
Momentum seen from A
1.74*4+1.645*2+3*8 = 34.06 kNm cw
Resulting momentum seen from A
34.06 kNm cw+10.25 kNm ccw = 23.81 kNm cw
收錄日期: 2021-05-01 16:37:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150501053534AALgeRz