單項選擇題圖示各種結構中,欲求A點豎向位移,能用圖乘法的為:()

A.
B.
C.
D.


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2.單項選擇題

圖示結構A、B兩點相對豎向位移△ab為:()

A.2pa/EA
B.3pa/EA
C.8pa/EA
D.0

3.單項選擇題

圖示桁架B點豎向位移(向下為正)△為:()

A.[(4+2)/EA]pa
B.[(-4+2)/EA]pa
C.[(2+2)/EA]pa
D.0

4.單項選擇題

圖示剛架,EI=常數,B點的豎向位移(↓)為:()

A.Pl3/6EI
B.Pl3/3EI
C.Pl3/6EI
D.Pl3/3EI

5.單項選擇題

圖示梁EI=常數,B端的轉角是:()

A.5ql3/48EI(順時針)
B.5ql3/48EI(逆時針)
C.7ql3/48EI(逆時針)
D.9ql3/48EI(逆時針)