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24 如圖所示桿件受軸向外力作用,F1 = 100 kN,F2 = 500 kN,則 A、B 處反力大小為何?
(A)
= 250 kN,
= 350 kN
(B)
= 270 kN,
= 330 kN
(C)
= 290 kN,
= 310 kN
(D)
= 350 kN,
= 250 kN
(E)一律給分
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統計: A(12), B(17), C(6), D(5), E(394) #3025508
統計: A(12), B(17), C(6), D(5), E(394) #3025508