试题与答案

已知平面图形的形心为C,面积为A,对z轴的惯性矩为Iz,则图形对z1轴的惯性矩有四种

题型:单项选择题

题目:

已知平面图形的形心为C,面积为A,对z轴的惯性矩为Iz,则图形对z1轴的惯性矩有四种答案:()

A.A

B.B

C.C

D.D

答案:

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