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03讲力与曲线运动目录01曲线运动的概念运动的合成与分解······································2考向一曲线运动的特点······················································································2考向二两个运动的合运动性质的判断····································································2考向三小船渡河问题·························································································5考向四牵连速度·······························································································602抛体运动的规律及应用·······················································7考向一平抛运动的规律及推论·············································································7考向二平抛运动与各种面结合问题·····································································12考向三平抛运动的临界、极值问题·····································································15考向四斜抛运动·····························································································1803圆周运动的规律及应用·····················································22考向一水平面内圆周运动及动力学问题·······························································22考向二竖直平面内圆周运动问题绳、杆模型························································29考向三圆周运动的临界问题··············································································32考向四常见的传动方式及特点···········································································34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曲线运动的概念运动的合成与分解考向一曲线运动的特点1．（2023·浙江温州·统考一模）越野车在冰原上留下的车辙如图所示，则越野车转弯做曲线运动过程中（）A．惯性变大B．速度不变C．可能处于平衡状态D．所受的合外力一定不为零【答案】D【详解】A．物体的惯性由质量决定，质量不变，物体的惯性不变，故A错误；B．做曲线运动的物体由于速度的方向改变，所以速度一定变化，故B错误；CD．由于物体的速度改变，所以加速度不为零，即合外力一定不为零，物体不可能处于平衡状态，故C错误，D正确。故选D。考向二两个运动的合运动性质的判断2.（2021·广东·高考真题）由于高度限制，车库出入口采用图所示的...