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> S l和S 2表示劲度系数分别为k l和k 2的两根弹簧，k 1＞k 2；a和b表示质量分别为m a和m b的两个小物块，m a＞m b．将弹簧与物块按图示方式悬挂起来。现要求两根弹簧的总长度最大，则应使（） A．S1在上，a在上 B．S1在上，b在上 C．S2在上，a在上 D．S2在上，b在上

问题：

发布时间：2024-09-13

S _l和S ₂表示劲度系数分别为k _l和k ₂的两根弹簧，k ₁＞k ₂；a和b表示质量分别为m _a和m _b的两个小物块，m _a＞m _b．将弹簧与物块按图示方式悬挂起来。现要求两根弹簧的总长度最大，则应使（）

A．S₁在上，a在上 B．S₁在上，b在上

C．S₂在上，a在上 D．S₂在上，b在上

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