2015-2016学年江苏省苏州市吴江市青云中学八年级(下)期中物理试卷.pdf

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1、2015-2016 学年江苏省苏州市吴江市青云中学八年级下期中物理试卷一、选择题24 分，每题只有一个正确选项 1()从火炉中拿出被烧红的铁块，降温后不变的物理量是A温度 B质量 C体积 D密度 2()以下现象不能说明分子在永不停息地运动的是A切开香瓜，满屋飘香B打扫教室，灰尘飞扬C糖放入水中后，整杯水都变甜了D放在衣橱中的樟脑球变小了 3()在探索微小粒子的进程中，人们认识到“原子是有结构的”，这是源于发现了A电子 B中子 C质子 D夸克 4()以下图象中，能正确反映同种物质的质量和体积关系的是ABC D 5()如下图的四个实例中，属于增大摩擦的是A轴承之间装滚珠B写字时用力C门轴加润滑油D

2、滑冰时穿冰鞋滑行 6()如下图，是由微颗粒1-50nm制备得到新型防菌“纳米纸”在“纳米纸”的外表细菌无法停留且油水不沾与此现象有关的判断正确的选项是A油分子间引力使纸面上的油聚集成小油珠B组成“纳米纸”的分子间没有间隙C油与“纳米纸”分子间有斥力没有引力文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

3、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

4、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

5、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

6、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

7、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

8、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3D“纳米纸”可阻止细菌分子无规则运动 7()以下关于一名普通中学生的数据，合理的是A质量约为500gB重

9、力约为50NC密度约为1g/cm3D体积约为0.5m3 8()一个瓶子能盛1kg 水，可用该瓶子盛1kg 的以下哪种液体？已知水银水植物油酒精汽油0、1 标准大气压下部分物质的密度kg/m3水1.0X103冰0.9X103水银13.6X103干松木 0.4X103酒精0.8X103铜8.9X103煤油0.8X103铝2.7X103A酒精 B汽油 C植物油D水银 9()如下图茶杯静止在水平桌面上，以下哪对力属于平衡力文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M

10、3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW

11、1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M

12、3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW

13、1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M

14、3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW

15、1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M

16、3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3A茶杯对桌面的压力与桌面对茶杯的支持力B茶杯的重力与桌面对茶杯的支持力C桌子的重力与桌面对茶杯的支持力D茶杯受到的重力与茶杯对桌面的压力 10()如下图，物体运动状态发生改变的是A弯道上沿曲线滑行的运发动B吊在天花板下的静止电灯C路上匀速直线行驶的小车D空中匀速直线下落的降落伞文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

17、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

18、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

19、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

20、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3

21、D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1

22、J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3 11()如图，木块竖立

23、在小车上，随小车一起以相同的速度向右作匀速直线运动以下分析正确的选项是A木块没有受到小车的摩擦力B木块受到的重力与小车对木块的支持力是一对相互作用力C木块运动速度越大，惯性也越大D当小车受到阻力突然停止运动时，如果木块与小车接触面光滑，木块将向右倾倒 12()关于惯性的理解和现象解释，以下说法正确的选项是A高速飞行的子弹具有惯性，穿入木头静止后惯性消失B汽车驾驶员和前排乘客系安全带，是为了减小汽车行驶中人的惯性C行驶中的公交车紧急刹车时，乘客会向前倾，是由于惯性力的作用D百米赛跑运发动到达终点不能马上停下来，是由于运发动具有惯性二、填空题每空1 分，共 27 分 13()如图，用丝绸摩擦有机玻

24、璃棒，然后靠近碎纸屑，发现纸屑被吸引，说明摩擦起电后，带电体能吸引轻小物体，然后将摩擦过的玻璃棒接触图所示的自制的验电器的回形针，发现两片金属箔片会张开，因为同种电荷相斥，用手不停地捋图3 中塑料细丝，会越捋越蓬松蓬松/靠拢文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

25、 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4

26、U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

27、 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4

28、U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

29、 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4

30、U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3 14()挖开多年堆煤的地面，会看到地面下一定深度的土层带有黑色这一现象说明煤的分子在不停地做无规则运动，扩散到地面的土层中了把两个铅块

31、紧压在一起，结合成一个整体，需要用足够大的力才能把它们拉开，说明分子之间存在引力 15()各种原子都有相似的结构，如下图是卢瑟福原子结构模型，原子中心的质子和中子组成原子核，原子核周围有带负电荷的电子绕核运动 16()宇宙是一个有有层次的天体结构大多数宇宙科学家都认为宇宙诞生于距今约 137 亿的一次大爆炸 17()人们常常利用物体具有各种形式的机械能来做功，如：机械手表里拧紧的发条具有弹性势能，可以带动小齿轮和指针转动；风具有动能，可以推动帆船航行；打桩机举高的重锤具有重力势能，可以完成打桩工作文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U

32、1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

33、ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U

34、1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

35、ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U

36、1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2

37、ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U

38、1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3 18()菜刀一般都是钢制的，这是因为钢的硬度大炒菜用的锅铲一般装有木柄这是利用了木头的导热性延展性/导热性差这一物理属性 19()滑板车是中学生喜爱的玩具之一用脚蹬地，滑板车会沿地面向前运动，这说明力的作用是相互的如果不再蹬地，滑板车的速度会越来越慢，最后停下来，这是因为它在运动中受到阻力，这说明力可以改变物体的运动状态滑板车装有滑轮而不将滑板直接放在地面滑动，这是因为在相同条件下滚动摩擦比滑动摩擦小得多 20()建筑工地要用500m 3的沙石，现取这

39、种沙石1X10-3m 3，测得其质量为2.6kg，则这种沙石的密度为 2.6X10 3 kg/m 3，假设用载重4t 的卡车运送，需运送 325 车3 21()如下图，一个跳伞运发动在伞未打开之前加速下落，他所受到的空气阻力小于他和伞的重力大于/等于/小于当打开伞一段时间后，跳伞运发动在空中匀速直线下降，已知人和伞的总重为750N，此时人和伞受到的阻力大小为 750 N，方向为竖直向上文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6

40、I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:C

41、O4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6

42、I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:C

43、O4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6

44、I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:C

45、O4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6

46、I2 ZW1J6H1N8K3 22()请在下面的横线上填上适当的单位：一个鸡蛋的质量约为50 g；铝的密度为2.7 g/cm 33 23()如图甲所示，完全相同的木块A和B叠放在水平桌面上，在20N的水平拉力F 1作用下，A、B一起作匀速直线运动，此时水平桌面对木块A所受的摩擦力为 20 N，木块A对木块 B 所受的摩擦力为 0 N；假设将 A、B紧靠着放在水平桌面上，用水平力F 2推 A 使它们一起匀速运动如图乙所示，则推力F 2=20 N 三、解答题49 分 24()根据要求作图：1如图甲，画出被投出去的篮球重力的示意图；2小球摆动到图乙中所示位置，画出此时小球所受力的示意图；空气阻力不计

47、3如图丙所示，小丽站在匀速向下运动的电动扶梯上，请画出小丽所受力的示意图O点为小丽的重心文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2

48、 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1

49、N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2

50、 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1N8K3文档编码:CO4U1M3D3C2 HN1X2P1O6I2 ZW1J6H1