高一物理下学期阶段性考试试题-文(无答案).doc

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1、ideological and theoretical qualities and practical working ability, and strive to build a contingent of league cadres with positive work style and high quality. Hold a regular meeting of the party secretary every fortnightly, arrange the work of the regiment, feedback the student information. Focus

2、 on training junior high school, junior high school secretary of the regiment branch to enable them to raise A firm political conviction, diligent and diligent learning spirit and practical and innovative work style.黑龙江省绥化市绥棱县2016-2017学年高一物理下学期阶段性考试试题 文（无答案）（时间：30分 分值:50分）第卷 （24分）一、选择题（本题包括6小题，每小题4分

3、，在每小题给出的四个选项中，14题为单选，56为多选，多选题全部选对的得4分，选对但不全的得2分，有选错或不作答得0分）1.关于平抛运动，下列说法中正确的是()A.平抛运动是匀速运动 B.平抛运动是匀变速曲线运动C.平抛运动不是匀变速运动 D.作平抛运动的物体落地时速度方向一定是竖直向下的2.对于匀速圆周运动的物体，下列说法中错误的是( )A.线速度不变B.角速度不变C.周期不变D.转速不变3.关于质点做匀速圆周运动的说法，以下正确的是( )A.因为，所以向心加速度与转动半径成反比B.因为，所以向心加速度与转动半径成正比C.因为，所以角速度与转动半径成反比D.因为(n为转速)，所以角速度与转速

4、成正比4如图所示，在光滑的水平面上有小球A以初速度v0向左运动，同时刻一个小孩在A球正上方以v0的速度将B球平抛出去，最后落于C点，则()A小球A先到达C点B小球B先到达C点C两球同时到达C点 D不能确定5.对于万有引力定律的表达式，下列说法中正确的是()A.公式中G为引力常量，它是由实验测得的，而不是人为规定的B.当r趋于零时，万有引力趋于无限大C.两物体受到的引力总是大小相等的，而与m1、m2是否相等无关D.两物体受到的引力总是大小相等、方向相反，是一对平衡力6小球m用长为L的悬线固定在O点，在O点正下方L处有一光滑圆钉C(如图所示)今把小球拉到悬线呈水平后无初速地释放，当悬线呈竖直状态且

5、与光滑圆钉C相碰的瞬时()A小球的速度突然减小B小球的向心加速度突然增大C小球的角速度突然减小D悬线的拉力突然增大第卷 (26分)二、填空题：（每空2分，共8分）7.河宽420m，船在静水中的速度为4ms，水流速度是3ms，则过河的最短时间为_s，最小位移为_m.8.如图所示的皮带传动装置中，轮A和B同轴，A、B、C分别是三个轮边缘上的质点，且rA=rC=2rB，则三个质点的线速度之比A:B:C=_角速度之比A:B:C=_三、计算题：（9题8分，10题10分）9.一小球从高h=5m处以2m/s的初速度水平抛出，忽略空气阻力求：（1）小球下落时间 （2）小球水平射程10.月亮绕地球转动的周期为T

6、，轨道半径为r，则由此可得地球质量表达式为?若地球半径为R，则其密度表达式为多少？Strengthen the team connection, strengthen the knowledge education among the students (especially the first grade students), and promote the formation of good school spirit with the influence of the league members. All League branches should start with recomm

7、ending outstanding students as the development objects of the League, take amateur league schools as the basis, conscientiously do a good job in the work of pre-league education, league membership education, League members vanguard exemplary consciousness education, excellent league members educatio

8、n, etc. Under the premise of ensuring the quality, the development quantity of league members will increase steadily, and the ranks of league members in middle schools will be strengthened constantly. It is planned to develop a group of new league members in April and mid-October.2. Carry out the re

9、gular meeting system of the League branch, and strengthen the ideological accomplishment and the training work in the field of business. League cadres are the backbone of the work of the League, and their quality directly affects the quality of the work. Therefore, they plan to use their extracurricular activities on Wednesday to open special training and other forms of study activities. To help the regiment cadres improve their ideological quality and professional skills, improve their- 1 -