平面力系上,有承受荷重的物體呈靜平衡狀態,如圖示,試問以下各種條件,何者可以完全表示其平衡條件? (A) ΣFx = 0,ΣFy = 0,ΣMo = 0 (B) ΣMA = 0,ΣMB = 0,ΣMP = 0 (C) ΣFx = 0,ΣMA = 0,ΣMB = 0 (D) ΣFx = 0,ΣMA = 0,ΣMB = 0 (E) ΣFy = 0,ΣMA = 0,ΣMB = 0

AΣFx = 0,ΣFy = 0,ΣMo = 0
BΣMA = 0,ΣMB = 0,ΣMP = 0
CΣFx = 0,ΣMA = 0,ΣMB = 0正確答案
DΣFx = 0,ΣMA = 0,ΣMB = 0正確答案
EΣFy = 0,ΣMA = 0,ΣMB = 0正確答案
答案與詳解
