首页/ 题库 / [单选题]满足下述哪个条件的刚体运动一定是定轴转动的答案

满足下述哪个条件的刚体运动一定是定轴转动()。

单选题
2022-03-16 22:19
A、刚体上所有点都在垂直于某定轴的平面上运动,而且所有点的轨迹都是圆
B、刚体运动时,其上所有点到某定轴的距离保持不变
C、刚体运动时,其上或其扩展部分有两点固定不动
D、刚体运动时,其上有一点固定不动
查看答案

正确答案
C

试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

理论力学中的刚体静力学的公理及其推论绝对不能用到实际工程中去。( )
条件“性别=‘女’ Or  工资额>2000”的意思是
( )是以矿山岩石力学为基础,与矿山工程、采矿工艺理论和实践密切结合的采矿工业的基础课程。
若刚体内各点均作圆周运动,则此刚体的运动必是定轴转动
下述刚体运动一定是平动的是 ( )
工程构件要正常安全的工作,必须满足一定的条件。下列除(  )项,其他各项是必须满足的条件。 得分:4分
工程构件要正常安全的工作,必须满足一定的条件。下列除( )项,其他各项是必须满足的条件。(单选)—5分
哪个脱水小儿宜选用ORS来补液()
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
若设定的条件表达式为“<60 Or>100”表示( )。
若设定的条件表达式为“<60 Or>100”,则表示( )。
广告位招租WX:84302438

免费的网站请分享给朋友吧