1.单选题- (共12题)

A.货物受到的支持力对货物做正功 |
B.货物受到的摩擦力对货物做负功 |
C.货物受到的静摩擦力减小 |
D.地面对货车有水平向右的摩擦力 |

A.乘客始终受摩擦力作用 |
B.乘客经历先超重再失重的状态 |
C.电梯对乘客的作用力始终竖直向上 |
D.电梯对乘客的作用力先指向前上方,再竖直向上 |
A.草地上滚动的足球会停下来,是因为运动要靠力来维持 |
B.汽车启动时乘客向后倒,是因为人在此刻才具有惯性的缘故 |
C.100m比赛中运动员跑到终点后会继续向前跑一段距离,这样做是为了减小惯性 |
D.刷牙用力甩牙刷能把水甩走,是因为水具有惯性 |

A.弹簧测力计的示数是30N |
B.弹簧测力计的示数是60N |
C.在突然撤去F2的瞬间,B的加速度大小为0m/s2 |
D.在突然撤去F2的瞬间,A的加速度大小为10m/s2 |

A.速度始终恒定 |
B.加速度始终恒定 |
C.乘客对座椅的压力始终不变 |
D.乘客受到到合力不断改变 |

A.这两颗卫星的运行速度可能大于7.9km/s |
B.量子科学实验卫星“墨子”的周期比北斗G7小 |
C.通过地面控制可以将北斗G7定点于西昌正上方 |
D.量子科学实验卫星“墨子”的向心加速度比北斗G7小 |

A.蹦极者从P到A的运动过程中,机械能守恒 |
B.蹦极者与绳组成的系统从A到B的运动过程中,机械能守恒 |
C.ΔE1=W+ΔE2 |
D.ΔE1+ΔE2=W |
2.选择题- (共5题)
2016年有近千名寒门学子圆梦中国最高学府,高校自主招生以及高考录取中对农村地区考生进行政策倾斜,一大批寒门学子脱颖而出。为来自贫困地区和农村的孩子提供了更多改变命运、实现梦想的机会。下列关于这段话理解正确的是( )
2016年有近千名寒门学子圆梦中国最高学府,高校自主招生以及高考录取中对农村地区考生进行政策倾斜,一大批寒门学子脱颖而出。为来自贫困地区和农村的孩子提供了更多改变命运、实现梦想的机会。下列关于这段话理解正确的是( )
完形填空。
One day, I went to my favorite cafe for lunch. I 1 a burger and went to the outdoor seats. While waiting for my meal, a homeless man on a bicycle stopped to ask if there was a grocery store nearby. After I gave him 2, he asked if I had 3 from Santa Clara University. (I was wearing a SCU T-shirt. )I told him, yes. Little did I know that this 4 response would lead to a 90-minute conversation. The man, Michael, told me he was very intelligent. 5, drug use had ruined both his formal education and his pursuit of 6 in his work. He drifted from one topic to another, 7 the fact that I was ready for my lunch.
He clearly had more of a 8to talk than I did. I made every 9 to give him my full attention, never 10 our talk would go on and on... Eventually, I did eat my meal, bite by bite 11 responses in our conversation. Michael was a bit strange. 12 his interests and viewpoints. We had little in 13, but he was fascinated with talking with, as he 14 it,“intelligent people.” I have to admit, I wish our conversation had been 15 to ten or fifteen minutes, but when Michael finally 16 off, he thanked me for listening so 17 to him and for my 18 to talk with him for so long. It was then that I 19 that, just maybe, that was my purpose in life for today … to be there, in that place, at that time, to 20 in that conversation.
3.多选题- (共2题)

A.细绳所能承受的最大拉力F=3mg |
B.改变绳长L,则L越大,小球落地时的速度越大 |
C.改变绳长L,当![]() |
D.当![]() ![]() |

A.a、c两小球带同种电荷 | B.a、c两小球带异种电荷 |
C.a小球带电量为+4Q | D.c小球带电量为﹣4Q |
4.解答题- (共3题)
(1)若小球从圆轨道最高点P处由静止释放,求其到达圆轨道最低点Q处时的速度大小及对圆轨道的压力;
(2)为让小球能打在探测屏上,小球应从圆轨道上什么范围内由静止释放?


(1)求滑块在B点时对轨道的压力大小以及在AB上克服阻力所做的功;
(2)若设置μ=0.5,求质点从C运动第一次运动到D点的时间;
(3)若最终滑块停在D点,求μ的可能取值范围。

(1)求匀强电场的场强大小?
(2)若保持1中场强大小、方向和小球电荷量均不变,现剪断细线,则小球运动的位移为s时经过多长时间?

5.实验题- (共2题)
(2)某同学利用打点计时器所记录的纸带来研究做匀变速直线运动小车的运动情况,实验中获得一条纸带,如图,其中两相邻计数点间有四个点未画出。已知所用电源的频率为50Hz,则打A点时小车运动的速度vA=_____m/s,小车运动的加速度a=_____m/s2.(小数点后保留两位数字)


a.小物块在1条橡皮筋的作用下弹出,沿水平桌面滑行,之后平抛落至水平地面上,落点记为M1;
b.在钉子上分别套上2条、3条、4条……同样的橡皮筋,使每次橡皮筋拉伸的长度都保持一致,从同一位置释放,重复步骤a,小物块落点分别记为M2、M3、M4…;
c.测量相关数据,进行数据处理。
(1)为求出小物块抛出时的速度大小,需要测量下列物理量中的_____(填正确答案标号)。
A.橡皮筋的原长x B.橡皮筋的伸长量△x
C.桌面到地面的高度h D.小物块抛出点到落地点的水平距离L
(2)将几次实验中橡皮筋对小物块做功分别记为W1、W2、W3、…,小物块抛出点到落地点的水平距离分别记为L1、L2、L3、….若功与速度的平方成正比,则若以W为横坐标、以L2为纵坐标作图,得到的图象是_____
A.直线 B.抛物线 C.双曲线 D.无法确定
(3)若考虑物块从释放位置到桌子边沿克服阻力做的功,请在图中画出(2)中的大致图象形状(___);

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【1】题量占比
单选题:(12道)
选择题:(5道)
多选题:(2道)
解答题:(3道)
实验题:(2道)
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【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:11
7星难题:0
8星难题:7
9星难题:1