Review problem help?? 1. The problem statement, all variables and given/known data Im finishing up studying for my physics exam tonight. i ran into a couple problems i did not know how to do, and the help room is packed. so i figured i would try here again seeing you guys know what your talking about just as much as them (if not better) here is the problem, sorry it is so long A standard bicycle wheel with extra mass filling the tire is set spinning rapidly about a long axle. (pretty much just a solid disk, they word it funny) One end of this axle rested on a holder at the top of a large mounting post, which allows the gyroscope to rotate freely about the vertical post. The spinning gyroscope was mounted on the post initially pointed straight up, but gradually it tipped over and began precessing about the vertical direction (meaning that the spinning gyroscope was also sweeping out a circular path in a horizontal plane). A. Eventually the gyroscope axle is completely horizontal, similar to what is shown in the figure, while precessing about the mounting post. In this configuration, list the most significant forces acting on the gyroscope and describe the vector sum of these forces. B. The mass of the outer part of the bicycle wheel is 4.1 kg, the radius of the wheel is 0.33 m, and the wheel is spinning at 6.0 revolutions per second. What is the magnitude of the wheel’s angular momentum about its axle? C. At a certain instant the angular momentum of the wheel about its axle is exactly in the +x direction: Lo = Lo ˆx. (The free tip of the axle is also pointing in this direction.) The total length of the axle is 0.30 m, and the wheel is attached at the midpoint. What is the torque on the gyroscope about the end of the axle on the mounting post? D. At a time t=0.10 s later, what is the (approximate) angular momentum of the wheel? E. You have shown above what the direction of the torque due to gravity is, and hence what direction the axle (and L) will move on account of the gravitational torque. Can gravity cause the axle of the spinning bicycle wheel to tilt downwards (-y direction)? Why or why not? Why doesn’t the wheel just fall down, the way a nonspinning wheel would? any help would be GREAT!!