一个重量为w的物体，通过两根绳索AC和BC悬吊(如下图所示)。下列四种情况中，绳索AC拉力最大的是()。
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
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正确答案： B 答案分析：无
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A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
A.α=60°，β=30°
B.α=30°，β=30°
C.α=45°，β=45°
D.α=60°，β=60°
