1.单选题- (共10题)
A.A和B位于一抛物线上,且A在B的后下方 |
B.A始终在B的正下方5 m处 |
C.在落地前AB间的距离不断变大 |
D.A和B落地点的距离为15m |

A.小球的加速度不变 |
B.小球所受合外力为零 |
C.小球所受合外力大小、方向均一定 |
D.小球所受合外力大小一定,方向改变 |
A.能到达正对岸 |
B.以最短时间渡河时,沿水流方向的位移大小为200m |
C.渡河的时间可能少于50s |
D.以最短位移渡河时,位移大小为150m |
A.同时抛出,且v1<v2 |
B.甲迟抛出,且v1<v2 |
C.甲早抛出,且v1>v2 |
D.甲早抛出,且v1<v2 |



A.两球的线速度大小相等 |
B.两球的角速度大小相等 |
C.两球对轨道的压力相等 |
D.两球的重力势能相等 |

A.受到重力、弹力、静摩擦力和离心力四个力的作用 |
B.所需的向心力由摩擦力提供 |
C.所需的向心力由弹力提供 |
D.转速越快,弹力越大,摩擦力也越大 |

A.![]() |
B.![]() |
C.![]() |
D.![]() |
A.物体做离心运动时.将离圆心越来越远 |
B.物体做离心运动时,其运动轨迹一定是直线 |
C.做离心运动的物体,一定不受到外力的作用 |
D.做匀速圆周运动的物体,因受合力大小改变而不做圆周运动时,将做离心运动 |
A.在电场中某点的电势为零,则该点的电场强度一定为零 |
B.做匀变速直线运动的物体,同一时间内通过的路程与位移的大小一定相等 |
C.速度不变的运动就是匀速直线运动,加速度不变的运动可以是曲线运动 |
D.在地面上发射飞行器,如果发射速度大于7.9km/s,而小于11.2km/s,则它将挣脱地球的束缚绕太阳运动 |
2.选择题- (共6题)
THIS is a story about a boy called Sparky. For Sparky, school was all but impossible. He failed every subject in the eighth grade. He got a zero in physics. It made him the worst physics student in the school's history. He didn't do much better in sports. He made the school golf team, but lost the only important match of the season.
He didn't have friends, either. Other kids didn't care about him. If a classmate said “hello” to Sparky outside of school, he would feel very surprised. There's no way to tell how he might have done at dating(约会). Sparky never once asked a girl to go out in high school. He was too afraid of being turned down.
He was a loser(失败者), and he and his classmates knew it. But, somehow, he decided to keep trying. The only thing important in his life was drawing. He was proud of his ability even though no one else appreciated it. He submitted(递交) some cartoons for his high school yearbook, but they were rejected.
After completing high school he wrote a letter to the Walt Disney Studios. He was told to submit some samples. He spent a great deal of time on the drawings. They were rejected. Another loss for the loser.
So Sparky decided to write his own auto biography(自传) in cartoons. He created his childhood self – a little-boy loser: Charlie. He never succeeded in kicking a football and never got a date with the little red-haired girl. Sparky, the boy who had such a lack of success in school and whose work was rejected again and again, was Charles Schulz. He created the Peanuts comic strip and the world-famous cartoon characters Charlie Brown and Snoopy.
3.多选题- (共1题)
A.做曲线运动的物体受到的合外力一定不为零 |
B.做曲线运动的物体的加速度一定是变化的 |
C.做圆周运动的物体受到的合外力方向一定指向圆心 |
D.做匀速圆周运动物体的加速度方向一定指向圆心 |
4.填空题- (共3题)


5.解答题- (共4题)
(1)运动员从bc段紧靠b处无初速滑下,求Nd的大小;
(2)运动员改为从b点以υ0=4m/s的速度水平滑出,落在bc上时通过短暂的缓冲动作使他只保留沿斜面方向的速度继续滑行,则他是否会从d点滑离轨道?请通过计算得出结论.

(1)汽车允许的最大速率是多少?
(2)若以所求速度行驶,汽车对桥面的最小压力是多少?




(1)物体物体滑至圆弧底端时的速度大小
(2)物体物体滑至圆弧底端时对轨道的压力大小
(3)物体沿水平面滑动过程中克服摩擦力做的功
6.实验题- (共3题)
(1)甲同学采用如图甲所示的装置,用小锤击打弹性金属片,金属片把A球沿水平方向弹出,同时B球被松开,自由下落,观察到两球同时落地,改变小锤击打的力度,使A球被弹出时的速度不同,两球仍然同时落地,这说明 .
(2)乙同学采用如图乙所示的装置,两个相同的末端水平的斜槽轨道M、N分别用于发射小铁球P、Q,其中N的末端与光滑的水平板相切,两轨道上端分别装有电磁铁C、D.斜槽轨道M到水平板的高度可调,但两轨道始终保持平行,因此小铁球P、Q在轨道出口处的水平速度总是相等的.现将小铁球P、Q分别吸在电磁铁C、D上,然后同时切断电源,使两小铁球能以相同的初速度同时从轨道M、N的下端A、B水平射出,实验中能观察到的现象是 .若仅改变轨道M的高度(两轨道仍然保持平行),重复上述实验,仍能观察到相同的现象,这是因为 .

(3)丙同学采用频闪照相法拍摄到如图丙所示的“小球做平抛运动”的照片,图丙中每个小方格代表的正方形边长L=1.25cm.由图丙可求得拍摄时曝光时间间隔t= s,该小球平抛运动的初速度大小v0= m/s(取g=10m/s2).
(1)下列说法正确的是(______)
A.斜槽轨道必须光滑
B.斜槽轨道末端可以不水平
C.应使小球每次从斜槽上相同的位置释放
D.为更好地反映真实运动,记录的点应适当多一些

(2)如图所示为实验中用方格纸记录了小球的运动轨迹,A.B.c和d为轨迹上的四点,小方格的边长为L,重力加速度为g,则小球做平抛运动的初速度大小为


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【1】题量占比
单选题:(10道)
选择题:(6道)
多选题:(1道)
填空题:(3道)
解答题:(4道)
实验题:(3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:7
7星难题:0
8星难题:14
9星难题:0