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首页 > 学历类 > 升学考试 > 高考 > 理科综合 > 如图,轻弹簧的下端固定在水平桌面上,上端放有物块P,系统处于静止状态,现用一竖直向上的力F作用在P上,使其向上做匀加速直线运动,以x表示P离开静止位置的位移,在弹簧恢复原长前,下列表示F和x之间关系的图像可能正确的是() [img src="https://img.haodaxue.net/uploadimg/image/20200606/20200606160421_16756.png" alt="" />

如图,轻弹簧的下端固定在水平桌面上,上端放有物块P,系统处于静止状态,现用一竖直向上的力F作用在P上,使其向上做匀加速直线运动,以x表示P离开静止位置的位移,在弹簧恢复原长前,下列表示F和x之间关系的图像可能正确的是() [img src="https://img.haodaxue.net/uploadimg/image/20200606/20200606160421_16756.png" alt="" />

A.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591430677464788.png" />
B.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591430699821795.png" />
C.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591430710661895.png" />
D.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0606/1591430720530925.png" />
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正确答案: A
答案分析:img src="https://img.haodaxue.net/uploadimg/image/20200606/20200606160544_72792.png" alt="" />
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