小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com第02讲力与直线运动目录01运动的图像······································································2考向一x-t图像与v-t图像···················································································2考向二非常规图像····························································································602直线运动的规律·······························································11考向一匀变速运动规律的应用···········································································11考向二多过程问题··························································································1403牛顿运动定律的应用·························································15考向一两类基本动力学问题··············································································15考向二连接体问题··························································································23考向三瞬时类问题··························································································25考向四板块、传送带问题·················································································25小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com01运动的图像考向一x-t图像与v-t图像1．（2023·江苏·高考真题）电梯上升过程中，某同学用智能手机记录了电梯速度随时间变化的关系，如图所示。电梯加速上升的时段是（）A．从20.0s到30.0sB．从30.0s到40.0sC．从40.0s到50.0sD．从50.0s到60.0s【答案】A【详解】因电梯上升，由速度图像可知，电梯加速上升的时间段为20.0s到30.0s。故选A。2．（2021·辽宁·高考真题）某驾校学员在教练的指导下沿直线路段练习驾驶技术，汽车的位置x与时间t的关系如图所示，则汽车行驶速度v与时间t的关系图像可能正确的是（）A．B．C．D．小学、初中、高中各种试卷真题知识归纳文案合同PPT等免费下载www.doc985.com【答案】A【详解】图象斜率的物理意义是速度，在时间内，图象斜率增大，汽车的速度增大；在时间内，图象斜率不变，汽车的速度不变；在时间内，图象的斜率减小，汽车做减速运动，综上所述可知A中图象可能正确。故选A。3．（2021·海南·高考真题）甲、乙两人骑车沿同一平直公路运动，时经过路边的同一路标，下列位移-时间图像和速度-时间图像对应的运动中，甲、乙两人在时刻之前能再次相遇的是（）A．B．C．D．【答案】BC【详解】A．该图中，甲乙在t0时刻之前位移没有相等的时刻，即两人在t0时刻之前不能相遇，选项A错误；B．该图中，甲乙在t0时刻之前图像有交点，即此时位移相等，即两人在t0时刻之前能再次相遇，选项B正...