A.\frac{bh^2}{4}
B.\frac{b^2h}{4}
C.\frac{b^2h^2}{2}
D.0
A.\frac{bh^2}{4}
B.\frac{b^2h}{4}
C.\frac{b^2h^2}{2}
D.0
A.2
B.4
C.1/2
D.1/4
A.$rac{bh^2}{8}$
B.$rac{bh^2}{12}$
C.$rac{bh^2}{16}$
D.$rac{bh^2}{24}$
A.因为它是矩形高度的一半
B.因为形心轴将矩形分成两个相等的面积
C.因为形心轴在矩形的底部
D.因为形心轴在矩形的顶部
A.(1)
B.(2)
C.(3)
D.(4)
A.T₁= -2kN·m
B.T₁= 5kN·m
C.T₁= -4kN·m
D.T₁= 10kN·m
A.将矩形分成两个相等的面积部分
B.确定每部分面积距形心轴的距离
C.直接决定静矩的大小
D.不参与静矩的计算
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959828111363.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/170495982813419.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959828155698.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959828175385.png">
A.$rac{1}{12}bh^3$
B.$rac{1}{3}bh^2$
C.$rac{1}{2}bh^3$
D.$bh^2$