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1、2014 年江苏省普通高中学业测试（必修科目）试卷物理一、单项选择题：每小题只有一个选项符合题意（本部分23小题，每小题3分，共 69分）1文学作品中往往蕴含着一些物理知识，下列诗句中加点的字表示位移的是A飞流直下三千尺，疑是银河落九天B一身转战三千里，一剑曾当百万师C坐地日行八万里，巡天遥看一千河D三十功名尘与土，八千里路云和月2一辆汽车在崎岖的山路上行驶，关于该汽车的惯性，下列说法正确的是A汽车打滑时惯性变小B汽车下坡时惯性变大C汽车加速时惯性变大D汽车刹车时惯性不变3“探究加速度与力、质量的关系”的实验装置如图所示。实验中，为使小车运动时所受的拉力近似等于盘和重物的总重力，则盘和重物的总
2、质量 m与小车的质量M应满足的关系是Am远大于 MBm远小于MCm略大于M Dm略小 于 M4小明乘电梯从一楼上升到三楼，在电梯启动和制动时，他所处的状态是A超重、超重B失重、失重C超重、失重D失重、超重5伽利略在研究落体运动时，提出了“把轻重不同的两个物体连在一起下落，与单独一个物体下落比较，是快了还是慢了”的问题A 自由落体运动的快慢与物体的质量无关B 自由落体运动是匀加速直线运动C 自由落体运动的速度与时间成正比D 自由落体运动的速度与位移成正比6如图所示，小朋友在弹性较好的蹦床上跳跃翻腾，尽情嬉耍。在小朋友接触床面向下运动的过程中，床面对小朋友的弹力做功情况是A 先做负功，再做正功B
3、先做正功，再做负功C 一直做负功D一直做正功7起重机沿竖直方向以大小不同的速度两次匀速吊起货物，所吊货物的质量想等。那么，关于起重机对货物的拉力和起重机的功率，下列说法正确的是A拉力不等，功率相等B拉力不等，功率不等C拉力相等，功率相等D拉力相等，功率不等8“验证机械能守恒定律”的实验装置如图所示。关于该实验，下列说法正确的是A重物应选用密度小的物体B两个限位孔应在同一竖直线上 C 打点计时器应接低压直流电源D应先释放纸带，后接通电源9家用台式计算机上的硬磁盘的磁道如图所示，O点为磁道的圆心，A、B两点位于不同的磁道上，硬盘绕O点匀速转动时，A、B两点的向心加速度 A 大小相等，方向相同B大小
4、相等，方向不同C大小不等，方向相同 D 大小不等，方向不同10在一次军事演习中，伞兵跳离飞机后打开降落伞，实施定点降落。在伞兵匀速下降的过程中，下列说法正确的是A伞兵的机械能守恒，重力势能不变B伞兵的机械能守恒，重力势能减小C伞兵的机械能不守恒，重力势能不变D伞兵的机械能不守恒，重力势能减小11.崔牛先生向客户推介他设计的“超级推进器”，该推进器由超导体、激光器、致冷剂以及计算机控制系统组成，其神奇之处在于能通过自身的循环工作，源源不断地获得动力，而文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I
5、6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B
6、7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I
7、6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B
8、7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I
9、6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B
10、7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I
11、6R3S4H7文档编码:CL7G3H1B7S4 HC8X3X7T9T8 ZP1I6R3S4H7不需要消耗任何能源。事实上，这是不可能实现的，因为他的设计违反了A 质量守恒定律B电荷守恒定律C 机械能守恒定律D能量守恒定律12小明玩飞镖游戏时，从同一位置先后以速度vA和 vB将飞镖水平掷出，依次落在靶盘上的 A、B 两点，如图所示，飞镖在空中运动的时间分别tA和 tB。不计空气阻力，则AvA vB，tAtBBvAvB，tAtBCvA vB，tAtBDvAvB，tAtB13如图所示，在冰球以速度v1在水平冰面上向右运动。运动员沿冰面在垂直v1的方向上快速打击冰球，冰球立即获得沿打击方向的分速度v2
12、.不计冰面摩擦和空气阻力。下列图中的虚线能正确反映冰球被击打后运动路径的是B 14 A、B两物体均不带电，相互摩擦后A带负电荷，电荷量大小为Q，则 B的带电情况是A带正电荷，电荷量大于Q B带正电荷，电荷量等于QC带负电荷，电荷量大于Q D带负电荷，电荷量等于Q15 如图所示，一点电荷先后置于匀强电场中的A、B两点，则该点电荷在这两点所受的电场力A大小相等，方向相同B大小相等，方向相反C大小不等，方向相同D大小不等，方向相反文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码
13、:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3
14、HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 Z
15、K6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档
16、编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G
17、3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2
18、 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6
19、文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U616真空中，相距 r 的两点电荷间库仑力的大小为F。当它们间的距离变为2r 时，库仑力的大小变为A F41BF21C2F D4F17如图所示，运输汽油等易燃易爆物品的车辆总有一条铁链托在地上，这样做的目的是A发出声音，引起路人注意B减缓车速，保证行车安全C把静电引入大地，避免因放电引起爆炸D与地面发生摩擦，在运输车上积累电荷18在通电直导线与磁场方向垂直的情况下，为研究安培力与电流大小的关系，实验时应保持不变的物理量是A.只有电流B
20、.只有磁感应强度C.只有导线在磁场中的长度D.磁感应强度和导线在磁场中的长度19如图所示，匀强磁场水平向右，电子在磁场中的运动方向平行，则该电子A不受洛伦兹力B受洛伦兹力，方向向上C受洛伦兹力，方向向下D受洛伦兹力，方向向左请阅读下列材料，回答第2023 小题。“嫦娥”舒广袖“玉兔”归蟾宫2013 年 12 月 2 日，嫦娥三号怀抱着“玉兔”，承载着中国人的梦想，踏上了探月之旅。她历经变轨、减速、悬停、避障等过程，于14 日在月球表面软着陆。我国成为世界上第三个实现在月球表面软着陆的国家。在月球表面着陆过程中，嫦娥三号先减速调整，速度从1700m/s 逐渐减为 0，悬停在距月球面100m高处；
21、然后利用探测器对着陆区进行观测，选择着陆点；再缓慢下降到着陆点上方4m，处，最终以自由落体方式完美着陆在月球文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6
22、文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D
23、9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3
24、X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2
25、U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F
26、8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9
27、L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6表面。接着，140kg 的“玉兔”款款而出，开始了与月球的亲密接触20.嫦娥三号远离地球飞近月球的过程中，地球和月球对它的万有引力F1、F2的大小变化情况是
28、AF1、F2 均减小BF1、F2 均增大CF1 减小、F2 增大DF1 增大、F2 减小21上述材料提及嫦娥三号“速度从1 700m/s 逐渐减为0”,这里所选的参考系是A 太阳 B 月球表面C 地球表面D嫦娥三号22 嫦娥三号着陆前最后4m的运动过程中，能反映其运动的v-t图象是 A23已知物体在月球上所受引力约为地球上所受引力的61，则“玉兔”静止在月球表面时对月球表面的作用力大小约为（取地球表面的重力加速度g=10m/s2）A23.3N B233N C1 400N D8 400N二、填空题：把答题填在答题卡相应的横线上（本部分2 小题，其中24 小题 4 分，25 小题6 分，共 10
29、分）24 本题为选做题，考生只选择一题作答若两题都作答，则按 24-A 题计分 24-A(本题供选修1-1的考生作答)手机是人们生活中普遍使用的通讯工具，它是利用 (选填“电磁波”或“超声波”)进行通讯的 这种波(选填“能”或“不能”)在真空中传播24-B(本题供选修3-1 的考生作答)电场中沿着电场线方向电势逐渐（选填“升高”或“降低”)在电场中移动电荷时，电场力所做的功与电荷的运动路径(选填“有关”或“无关”)文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G
30、8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1
31、U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10
32、Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP
33、7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9
34、O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N
35、10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:
36、CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U625 小明通过实验探究合力的方法：(1)实验所用的一只弹簧测力计如题25-1图所示，在用它测力前应对它进行的操作是(2)在测出 F1、F2和对应的合力F 后，他在纸上画出了F1、F2的图示，如题25-2 图所示请你帮助他在图中画出合力F 的图示（测得F=4.9 N,图中 a、b 为记录 F 方向的两点）。(3)小明用虚线把F 的箭头末端分别与F1、F2的箭头末端连接起来；观察图形后，他觉得所画的图形很像平行四边形。至此，为正确得出求合力的一般
37、方法，年认为小明接下来应该做些什么(写出两点即可)？三、计算或论述题：解答时请写出必要的文字说明、方程式和重要的演算步骤，只写出最后答案的不能得分，有数值计算的题，答案中必须明确写出数值和单位（本部分3 小题，其中 26 小题 6 分，27 小题 7 分，28 小题 8 分，共 21 分）262014 年 2 月，第 22 届冬奥会在俄罗斯索契成功举行。在高山滑雪速降比赛中，运动员由静止开始沿滑道向下做匀加速直线运动，2s 内的位移为8m。在此过程中(1)求运动员的加速度大小；(2)求 2s 末运动员的速度大小；(3)若运动员的质量为50kg，滑道的倾角为300，重力加速度10m/s2，求运动
38、员重力做的功。文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:C
39、P7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB
40、9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6
41、N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码
42、:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3
43、HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 Z
44、K6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U627“魔盘”是一种神奇的游乐设施，它是一个能绕中心轴转动的带有竖直侧壁的大型转盘，随着“魔盘”转动角速度的增大，“魔盘”上的人可能滑向盘的边缘。如图所示，质量为 m的人（视为质点）坐在转盘上，与转盘中心O相距 r。转盘的半径为R，人与盘面及侧壁间的动
45、摩擦因数均为，设最大静摩擦力等于滑动摩擦力，重力加速度为g(1)当转盘的角速度大小为0时，人未滑动，求此时人的线速度大小v.(2)求人与转盘发生相对滑动时转盘的角速度大小 应满足的条件。(3)当人滑至“魔盘”侧壁时，只要转盘的角速度不小于某一数值m，人就可以离开盘面，贴着侧壁一起转动。有同学认为，m的大小与人的质量有关，你同意这个观点吗？请通过计算说明理由。28 如图所示，水平桌面上的轻质弹簧左端固定，右端与静止在O点的小物块接触而不连接，此时弹簧无形变。现对物块施加大小恒为F、方向水平向左的推力，当物块向左运动到A 点时撤去该推力，物块继续向左运动，最终物块运动到B 点静止已知物块质量为m，
46、与桌面间的动摩擦因数为，OA=l1,OB=l2,重力加速度为g。(1)求物块在 O 点刚开始运动时的加速度大小a；(2)在推力作用的过程中，物块的加速度大小和速度大小如何变化？请定性说明。(3)在物块运动的整个过程中，弹性势能的最大值EPm是多少？文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8
47、D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L
48、3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z
49、2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8
50、F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U9L3X2 ZK6N10Y8Z2U6文档编码:CP7G8F8D9G3 HB9O1U