2012—2013九年级物理上期中试题.pdf

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1、20122013 学年度第一学期期中学情检测九年级物理试卷卷（I）现象、概念、结构、方法（满分30 分）一、单选题：（共分，每题分）：1、（）对物理概念地说法中正确地是：A、作用在同一物体上地两个力，如果大小相等、方向相反，这两个力就彼此平衡B、物体只有在不受力时，才具有保持运动状态不变地性质C、摩擦力地方向总是与物体运动地方向相反D、力是改变物体运动状态地原因2、（）下列实例增大摩擦地是：A、在机器零件中加润滑油.B、搬运笨重物体时，在重物下垫几根圆铁棍向前推C、汽车轮胎表面有凹凸不平地花纹.D、用气垫船搞运输.3.（）如右图所示，作用在杠杆一端且始终与杠杆垂直地力F，将杠杆缓慢地由位置 A

2、拉至位置 B，在这个过程中动力F：A.变大 B.变小 C.不变 D.先变大后变小4、（）从下列图表得到地信息中，不正确地是甲乙0/kg/m35 0 t/s s/mm/G/N 镇（处）_学校_班级_姓名_考号_*密*封*线*m/g V/cm3 铝块 1 27 10 铝块 2 54 20 铝块 3 108 40 丙丁A、图甲说明物体所受地重力跟它地质量成正比B、图乙表示物体正以5m/s 地速度做匀速运动C、表丙告诉我们同种物质地质量和体积成正比D、图丁同种表明物质地密度与体积无关5、（）下面是小明所画物体在四种情况下所受力地示意图，其中有错误地是：A、在光滑地水平面上匀速向右滑动地物体所受地力 B

3、、沿着如图所示地斜坡向上拉物体地力C、放在水平桌面上地书所受地力 D、被踢出去地足球在空中飞行时所受地力（不计空气阻力）6、（）下面所做地验证性实验中，不正确地是A、用力抽出一摞书中地最下一本，上面地书还留在原处，说明物体有惯性B、拿一根细线，吊起一只苹果，发现线呈竖直，说明重力地方向竖直向下C、将一根铁条用力掰断，说明铁条发生了弹性形变V/m3 文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U

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5、CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W

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7、HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q

8、8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5

9、 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E1

10、0H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8D、在铅笔盒下面垫几支铅笔，轻轻一推，铅笔盒就运动，说明滚动摩擦比滑动摩擦小7、（）汽车刹车时站在车内地乘客会向前倾倒，小明在解释这个现象时用了以下四句话：刹车时人脚和汽车同时突然减速，汽车行驶时人和汽车以相同地速度前进.人地身体由于惯性还在以原来地速度向前运动.人就向前倾倒.你认为按照下列哪个顺序排列这四句话可以把这个现象解释清楚：A、B、C、D、8、（）如图是“探究二力平衡条件”地装置，下列说法不正确地是：A1

11、 F1 M F2 A2 A、木块两端地测力计示数相等时，木块便保持静止B、若只在木块一端用测力计拉动时，木块有可能匀速直线运动C、木块两端地测力计示数相等，把木块扭转一个角度后松手，木块会保持静止D、木块两端地测力计示数相等，把木块扭转一个角度后松手，木块会转.二、不定项选择题（分全选对分，漏选分，错选或不选分）文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6

12、HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q

13、8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5

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15、0H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U

16、8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:

17、CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W

18、2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U89、（）三只相同地杯子里盛有水,将质量相等地实心铁块、铝块、铜块（铜铁 铝）分别浸没在这三只杯子地水中,水面高度相同,则盛水最多地杯子是A、放入铜块地杯子；B、放入铝块地杯子；C、放入铁块地杯子；D、无法判断.10、（）回顾用过地科学方法，下列说法中正确地是A、通过力地作用效果来感知力，这是转换法B、为了观察玻璃瓶地形变，采取观察瓶塞上玻璃管中液面地变化，这是替代法C、把固体物质地分子排列比作坐在座位上地学生，这是比较法D、用力地示意图来表示力地三要

19、素，这是模型法11、（）以下在厨房中做饭所联想到地物理知识，正确地是A、食盐、花生油、天然气，分别属于物质存在地三种状态B、把鸡蛋往碗沿上一磕，鸡蛋就破了，利用了力地作用是相互地C、包子皮上被捏出了漂亮地花边，是发生了弹性形变D、用力握才能把活蹦乱跳地鱼抓在手中，是利用了增大压力增大摩擦力12、（）讲求公民道德，遵守国家法律.下面地做法中，正确地是A、下雪天往积雪地路面上撒沙子防滑B、在市内地快速路上驾车也要系安全带C、公共汽车为了多拉乘客可以超载D、应及时地给汽车加润滑油，以节省汽油卷（II）实验、应用、探究、推理（共70 分）专题一、质量和密度（共14 分 1、2 小题各 7 分）1、回顾

20、实验和探究：（1）小明同学在实验室中用天平和量筒测定工艺品地密度，请你将正确地实验文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU

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25、V4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H

26、4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8操作顺序排列起来（只填序号）：（）.a、将工艺品浸没在量筒内地水中，测出工艺品和水地总

27、体积V1.b、用天平称出工艺品地质量m.c、将适量地水倒入量筒中，测出水地体积V2.d、计算出工艺品地密度.图（1）图（2）（2）实验中，小明测量工艺品质量，天平平衡时，右盘内砝码地质量以及游码所在地位置如图（1）所示，则工艺品地质量为_ _克；测体积时，量筒中液面地位置如图（2）所示，则工艺品地体积为_ _厘 M3.则工艺品地密度为_ _千克 M3.小明收集了几种金属地密度如下表所示，那么妈妈地工艺品是由制成地.这种金属在日常生活中应用广泛，例如：（举 1例）.金银铜钢19.3 克厘 M310.5 克厘 M38.9 克厘 M37.9克厘 M32、运用知识解决问题：（1）如果在实验中，小明同学

28、用天平测量另一件工艺品地质量时误把砝码放在天平地左盘，把工艺品放在右盘，若他读出左盘中砝码总质量为85g，游码在标尺上所对地刻度值为1g，则此工艺品地实际质量为 g.（2）木工师傅买了两把大小、形状和颜色都相同地锤子，一把是铁地一把是塑镇（处）_学校_班级_姓名_考号_*密*封*线*文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV

29、4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4

30、E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档

31、编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3

32、J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6

33、K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9

34、Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L1

35、0A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8料地.他用手掂了一下，质量小地是 _ _，其物理道理 _ _（3）A、B、C三种物质地质量m和体积 V地关系图象如图（3）所示.，由图可知三种物质地密度A、B、C之间地关系是()A、.A B C B、.A B 盐水 酒精，则这三个容器中依次分别装地是（）A、.硫酸、盐水、酒精B、.盐水、酒精、硫酸C.、酒精、硫酸、盐水D、.硫酸、酒精、盐水专题二、运动和力（共18 分，3 小题 10 分，4 小题 8 分）3、回顾实验和探究：（1）在研究“阻力大小对物体运动地影响”时，应让小车从

36、同一斜面地_高度滑下，是为了使小车到达斜面底部地速度_.接着在表面材料不同地水平面上运动，分别停在如下图所示地不同地方.图（3）图文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L

37、10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 Z

38、V4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H

39、4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文

40、档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU

41、3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A

42、6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8实验说明，小车受到地阻力越小，它地运动

43、状态改变地越_.由实验现象我们可以推断：假如小车在平面上运动地过程中，在水平方向上不受力，它将做_.在本实验采用研究方法，此研究方法很普遍,采用此研究方法实验还有：.（只要求写出实验名称）(2)、如图（6）所示，在研究二力平衡条件地实验中，把木块放在_桌面上，向两端地小盘里加砝码，当两盘砝码质量_时，木块静止.保持两盘砝码质量相等，把木块扭转一个角度，使拉力F1、F2 不在同一直线上，观察到木块发生转动.概括起来，可以得出结论：作用在同一物体上地两个力，如果 _，方向相反，作用在 _上，这两个力就彼此平衡.4、运用知识解决问题：（1）、在济青高速公路上，有如图12-2-3所示地两个交通标志牌，

44、它们所表示地意思是：_，.在遵守交通规则地前提下，从这两个标志牌到青岛，匀速行驶地汽车最快需h=min.图（5）图（6）文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5

45、ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10

46、H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8

47、文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:C

48、U3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2

49、A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 H

50、A9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8文档编码:CU3J5W2A6K6 HA9Z7Q8L10A5 ZV4E10H4E5U8(2)、甲、乙两车在同一公路上从A 城匀速开往B