如图所示,质量为m的物体置于倾角为θ的斜面上,处于静止状态,斜

如图所示,质量为m的物体置于倾角为θ的斜面上,处于静止状态,斜面对物体的支持力为N1,对物体的摩擦力为f1。若斜面体沿水平面向左加速运动,此时斜面对物体的支持力为N2,对物体的摩擦力为f2,则以下关系有可能的是

A.N2>N1,f2>f1               B.N2>N1,f2<f1

C.N2<N1,f2<f1               D.N2<N1,f2>f1

答案

AB


解析:

相关题目

某列从杭州到温州的火车,包括起始和终点在内共有5个停靠
某列从杭州到温州的火车,包括起始和终点在内共有5个停靠站,小王乘坐这趟列车从杭州到温州,一路上小王在他乘坐的车厢内观测到下列情况:①在
下列各组词语中,加点字的读音都正确的一项是    (    )
下列各组词语中,加点字的读音都正确的一项是    (    ) A.清冽(liè)    涣(huàn)散    支撑(chēng)    忍俊不禁(jìn) B.粗犷(guǎng)  濒(bīn)临   
Jack had traveled six miles across the Channel ______ his engine failed and was
Jack had traveled six miles across the Channel ______ his engine failed and was forced to land on the sea.     A. when      B. until C. after      D. since  
With all factors ________,we think this program may be better than all the other
With all factors ________,we think this program may be better than all the others in achieving the goal. A. being considered   B. considering     C. are considered        D. considered
下表是2014年前三季度我国三大产业发展情况。据此,我们可
下表是2014年前三季度我国三大产业发展情况。据此,我们可以推断我国现阶段(     )               产业 内容第一产业第二产业第三产业 增
如下图是四位同学设计的用伏安法测电阻R的电路图,其中正
如下图是四位同学设计的用伏安法测电阻R的电路图,其中正确的是 
In June, 2007, a group of students from eight high schools in Winnipeg, the capi
In June, 2007, a group of students from eight high schools in Winnipeg, the capital of Canada’s Manitoba province, will begin test-launching (试发射) a satellite the size of a Rubik’s cube. Th
吉安读水 江西的南部,有一条美丽的水叫章水,有一条精致
吉安读水 江西的南部,有一条美丽的水叫章水,有一条精致的水叫贡水,两条水流合二为一形成了更加美丽精致的水叫赣江。宏阔的赣江一路北去,串

最新题目