題組內容

1 Consider a solid cylinder of mass m and radius r moving down from the top of a wedge of mass M. The plane of the wedge is inclined at an angle θ with respect to the horizontal plane.

(a).Suppose that the cylinder is sliding without rolling down the smooth inclined face of the wedge, and the wedge is free to move on a horizontal plane with friction. How far has the wedge moved by the time the cylinder has descended from a rest a vertical distance h?Ans：___(1)____