试题与答案

如图所示,L1、L2是劲度系数均为k的轻质弹簧,A、B两只钩码重量均为G,则静止时两

题型:单项选择题

题目:

如图所示,L1、L2是劲度系数均为k的轻质弹簧,A、B两只钩码重量均为G,则静止时两弹簧伸长量之和为()

A.3G/k

B.2G/k

C.G/k

D.G/2k

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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