皮皮学，免费搜题
登录
搜题
【多选题】
关于曲线运动,下列说法中正确的有()A.
做曲线运动的物体所受合力可能为零
B.
物体在恒力作用下可能做曲线运动
C.
曲线运动一定是变速运动
D.
互成角度的两个匀速直线运动的合运动可能是曲线运动
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】完形填空。 There is a big zoo in our city. There are lots of 1 in it. The elephant is very big. We all like to see it, 2 it is very cute. The tiger comes from the Changbai Mountain of 3 .It walks about in ...
【简答题】阅读理解。 Skiing only caught on for ordinary Chinese in the mid-1990s in the country's north and northeast, but has since developed into a pastime that can be practiced nationwide. Here are four resorts (...
【简答题】施工监理招标文件的投标人须知可参考工程招标文件相关内容，其中区别较大的是（ ）等内容。
【简答题】盘点实物时，发现账面数大于实存数，即为盘盈。（ ）
【简答题】盘点实物时，发现账面数大于实存数，即为盘盈。( )
【简答题】Skiing only caught on for ordinary Chinese in the mid-1990s in the country’s north and northeast, but has since developed into a pastime that can be practiced nationwide. Here are four resorts(度假胜地) w...
【简答题】盘点实物时，发现账面数大于实存数，即为盘盈。 （ ）
【简答题】Changbai Mountain is in Jilin Province. It’s said to be the most beautiful mountain in the northeast of China. Its name, Changbai, means “forever white” in Chinese, and its whiteness is because of the...
相关题目：
参考解析：
知识点：
题目纠错 0
发布
