《刚体力学习题》PPT课件.ppt

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1、第二章刚体力学习题Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.θ、ω、β三者的关系？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientPro

2、file5.2.0.0.Copyright2004-2011AsposePtyLtd.匀变速圆周运动，角位移、角速度、角加速度大小与时间的关系式？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.刚体绕定轴转动时，线量与角量之间的关系？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-20

3、11AsposePtyLtd.质点作圆周运动，加速度、法向加速度、切向加速度的表示，及三者关系？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.力矩的定义式？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.转动惯量的定义式？Evaluationonly

4、.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.细棒绕中心转动时的转动惯量？细棒绕一段转动的转动惯量？圆柱体绕中心转动的转动惯量？细棒(m,l)通过中心且与棒垂直通过一端与棒垂直圆柱体（m，R）通过中心轴Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.转动定律？Evaluatio

5、nonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.力矩做功？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.转动动能表达式？刚体转动动能定理表述？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5

6、.2.0.0.Copyright2004-2011AsposePtyLtd.刚体角动量表达式？冲量矩表示式？Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.刚体转动角动量定理表述？角动量守恒的条件？角动量守恒的条件：M=0，则L=Iω=恒量Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004

7、-2011AsposePtyLtd.X1:一刚体以每分钟60转绕z轴做匀速转动(沿z轴正方向)．设某时刻刚体上一点P的位置矢量为，其单位为“10-2m”，若以“10-2m·s-1”为速度单位，则该时刻P点的速度为：［］(A)(B)(C)(D)BEvaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.如图所示，A、B为两个相同的绕着轻绳的定滑轮．A滑轮挂一质量为M的物体，B滑轮受拉力F，而且F＝Mg．设A、B两滑

8、轮的角加速度分别为βA和βB，不计滑轮轴的摩擦，则有［］X2:βA＝βBβA＞β