35 如下圖所示之梁 ABC 之撓曲剛度 EI 為常數，於 C 端受 P 力作用，且梁未變形前，彈簧未受力。已知若移除彈簧，C 端向下位移為；則當彈簧之勁度為 k = 24EI L3 時，其軸向壓

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35 如下圖所示之梁 ABC 之撓曲剛度 EI 為常數，於 C 端受 P 力作用，且梁未變形前，彈簧未受力。已知若移除彈簧，C 端向下位移為

；則當彈簧之勁度為 k = 24EI L3 時，其軸向壓力為何？

(A)

P
(B)

P
(C)

P
(D)

P

參考答案

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