题目
单自由度振动系统的临界阻尼系数公式是？A. C_b = 2mkB. C_b = 2sqrt(mk)C. C_b = mkD. C_b = sqrt(mk)
单自由度振动系统的临界阻尼系数公式是？
A. $C_b = 2mk$
B. $C_b = 2\sqrt{mk}$
C. $C_b = mk$
D. $C_b = \sqrt{mk}$
题目解答
答案
B. $C_b = 2\sqrt{mk}$
A. $C_b = 2mk$
B. $C_b = 2\sqrt{mk}$
C. $C_b = mk$
D. $C_b = \sqrt{mk}$