名著阅读：读下面的小诗，回答问题。
                                                                                                 小小的花，
                                                                                                 也想抬起头来，
                                                                                                 感谢春光的爱——
                                                                                                 然而深厚的恩慈，
                                                                                                 反使她终于沉默。
                                                                                                 母亲啊！
                                                                                                 你是那春光吗？

如图所示，两个质量分别为m₁=2kg  m₂=3kg的物体置于光滑的水平面上，中间用轻质弹簧秤连接。两个大小分别为F₁=30N  F₂=20N的水平拉力分别作用在m₁  m₂上，则（      ）