图示系统由匀质圆盘与匀质细杆铰接而成。已知:圆盘半径为 r,质量为 m1,杆长为 l,质量为 m2。试求图示位置杆的角速度为w,角加速度为a,圆盘的角速度与角加速度均为零时,系统惯性力系向定轴O简化的主矢与主矩。[img=1565x728]18032c319f5d723.jpg[/img]
未知类型:{'options': ['18032c31a7a27ba.png=(m1l + [img=9x43]18032c31b07ecad.png[/img]m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l +[img=9x43]18032c31b07ecad.png[/img] m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31dba53c9.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l +[img=9x43]18032c31dba53c9.png[/img] m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l + [img=9x43]18032c31dba53c9.png[/img]m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31b07ecad.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l + [img=9x43]18032c31b07ecad.png[/img]m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l +[img=9x43]18032c31b07ecad.png[/img] m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31b07ecad.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l +[img=9x43]18032c31dba53c9.png[/img] m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l + [img=9x43]18032c31dba53c9.png[/img]m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+ [img=9x43]18032c31dba53c9.png[/img]m2l[img=7x22]18032c31ca5ffc2.png[/img])a'], 'type': 102}
未知类型:{'options': ['18032c31a7a27ba.png=(m1l + [img=9x43]18032c31b07ecad.png[/img]m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l +[img=9x43]18032c31b07ecad.png[/img] m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31dba53c9.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l +[img=9x43]18032c31dba53c9.png[/img] m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l + [img=9x43]18032c31dba53c9.png[/img]m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31b07ecad.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l + [img=9x43]18032c31b07ecad.png[/img]m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l +[img=9x43]18032c31b07ecad.png[/img] m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+[img=9x43]18032c31b07ecad.png[/img] m2l[img=7x22]18032c31ca5ffc2.png[/img])a', '18032c31a7a27ba.png=(m1l +[img=9x43]18032c31dba53c9.png[/img] m2l)a [img=26x25]18032c31b96a1fc.png[/img]=(m1l + [img=9x43]18032c31dba53c9.png[/img]m2l)w[img=7x22]18032c31ca5ffc2.png[/img]MgO =(m1l[img=7x22]18032c31ca5ffc2.png[/img]+ [img=9x43]18032c31dba53c9.png[/img]m2l[img=7x22]18032c31ca5ffc2.png[/img])a'], 'type': 102}
举一反三
- 图示系统由匀质圆盘与匀质细杆铰接而成。已知:圆盘半径为 r,质量为 m1,杆长为 l,质量为 m2。试求图示位置杆的角速度为w,角加速度为a,圆盘的角速度与角加速度均为零时,系统惯性力系向定轴O简化的主矢与主矩。[img=1565x728]18034db6747847a.jpg[/img] 未知类型:{'options': ['18034db67c9fb78.png=(m1l + [img=9x43]18034db684fb355.png[/img]m2l)a [img=26x25]18034db68db1d2a.png[/img]=(m1l +[img=9x43]18034db684fb355.png[/img] m2l)w[img=7x22]18034db69e520d3.png[/img]MgO =(m1l[img=7x22]18034db69e520d3.png[/img]+[img=9x43]18034db6af5ce68.png[/img] m2l[img=7x22]18034db69e520d3.png[/img])a', '18034db67c9fb78.png=(m1l +[img=9x43]18034db6af5ce68.png[/img] m2l)a [img=26x25]18034db68db1d2a.png[/img]=(m1l + [img=9x43]18034db6af5ce68.png[/img]m2l)w[img=7x22]18034db69e520d3.png[/img]MgO =(m1l[img=7x22]18034db69e520d3.png[/img]+[img=9x43]18034db684fb355.png[/img] m2l[img=7x22]18034db69e520d3.png[/img])a', '18034db67c9fb78.png=(m1l + [img=9x43]18034db684fb355.png[/img]m2l)a [img=26x25]18034db68db1d2a.png[/img]=(m1l +[img=9x43]18034db684fb355.png[/img] m2l)w[img=7x22]18034db69e520d3.png[/img]MgO =(m1l[img=7x22]18034db69e520d3.png[/img]+[img=9x43]18034db684fb355.png[/img] m2l[img=7x22]18034db69e520d3.png[/img])a', '18034db67c9fb78.png=(m1l +[img=9x43]18034db6af5ce68.png[/img] m2l)a [img=26x25]18034db68db1d2a.png[/img]=(m1l + [img=9x43]18034db6af5ce68.png[/img]m2l)w[img=7x22]18034db69e520d3.png[/img]MgO =(m1l[img=7x22]18034db69e520d3.png[/img]+ [img=9x43]18034db6af5ce68.png[/img]m2l[img=7x22]18034db69e520d3.png[/img])a'], 'type': 102}
- 图示系统由匀质圆盘与匀质细杆铰接而成。已知:圆盘半径为 r,质量为 m1,杆长为 l,质量为 m2。试求图示位置杆的角速度为w,角加速度为a,圆盘的角速度与角加速度均为零时,系统惯性力系向定轴O简化的主矢与主矩。[img=1565x728]18034db8ac4157f.jpg[/img] 未知类型:{'options': ['18034db8b458548.png=(m1l + [img=9x43]18034db8bbf351d.png[/img]m2l)a[img=26x25]18034db8c474e57.png[/img]=(m1l +[img=9x43]18034db8bbf351d.png[/img] m2l)w[img=7x22]18034db8d4e8801.png[/img]MgO=(m1l[img=7x22]18034db8d4e8801.png[/img]+[img=9x43]18034db8e51eac9.png[/img] m2l[img=7x22]18034db8d4e8801.png[/img])a', '18034db8b458548.png=(m1l+[img=9x43]18034db8e51eac9.png[/img]m2l)a[img=26x25]18034db8c474e57.png[/img]=(m1l+[img=9x43]18034db8e51eac9.png[/img]m2l)w[img=7x22]18034db8d4e8801.png[/img]MgO=(m1l[img=7x22]18034db8d4e8801.png[/img]+[img=9x43]18034db8bbf351d.png[/img]m2l[img=7x22]18034db8d4e8801.png[/img])a', '18034db8b458548.png=(m1l+[img=9x43]18034db8bbf351d.png[/img]m2l)a[img=26x25]18034db8c474e57.png[/img]=(m1l+[img=9x43]18034db8bbf351d.png[/img]m2l)w[img=7x22]18034db8d4e8801.png[/img]MgO=(m1l[img=7x22]18034db8d4e8801.png[/img]+[img=9x43]18034db8bbf351d.png[/img]m2l[img=7x22]18034db8d4e8801.png[/img])a', '18034db8b458548.png=(m1l+[img=9x43]18034db8e51eac9.png[/img]m2l)a[img=26x25]18034db8c474e57.png[/img]=(m1l+[img=9x43]18034db8e51eac9.png[/img]m2l)w[img=7x22]18034db8d4e8801.png[/img]MgO=(m1l[img=7x22]18034db8d4e8801.png[/img]+[img=9x43]18034db8e51eac9.png[/img]m2l[img=7x22]18034db8d4e8801.png[/img])a'], 'type': 102}
- 下列各组表示核外电子运动状态的量子数中合理的是 A: n = 3,l = 3 ,m = 2,ms = [img=9x43]18032eba50af373.png[/img] B: n = 2,l = 0 ,m = 1,ms =[img=9x43]18032eba50af373.png[/img] C: n = 1,l = 0 ,m = 0,ms =[img=9x43]18032eba50af373.png[/img] D: n =0,l = 0 ,m = 0,ms =[img=9x43]18032eba50af373.png[/img]
- 下列各组表示核外电子运动状态的量子数中合理的是 A: n = 3,l = 3 ,m = 2,ms = [img=9x43]18032eb4a424036.png[/img] B: n = 2,l = 0 ,m = 1,ms =[img=9x43]18032eb4a424036.png[/img] C: n = 1,l = 0 ,m = 0,ms =[img=9x43]18032eb4a424036.png[/img] D: n =0,l = 0 ,m = 0,ms =[img=9x43]18032eb4a424036.png[/img]
- 下列各组量子数中错误的是 。 A: n=3,l=2, m=0, [img=22x17]1803dcfc2666d50.png[/img] =+1/2 B: n=4, l=1, m=0, [img=22x17]1803dcfc2666d50.png[/img] =-1/2 C: n=2, l=2, m=-1, [img=22x17]1803dcfc2666d50.png[/img] =-1/2 D: n=3, l=1, m=-1, [img=22x17]1803dcfc2666d50.png[/img] =-1/2