Question

thin rod of mass Mandlength Has a fixed rotation axis a distance L/6 from one end.(a) Using the parallel-axis theorem, find the moment of inertia of the roundabouts rotation axis. (b) Suppose the rod is held horizontally at rest and then released. Draw a free-body diagram of the rod at the moment of its release, and find its angular acceleration atthis moment. (Remember that gravity acts at the rod’scenter.)(c) Find the angular velocity of the rod as it swings through its vertical position. (Hint: The angular acceleration is not constant, so you cannot use kinematic equations, it has to be energy conservation.Because gravity acts at the rod’s center, the potential energy depends on the height of the rod’s center, not its end

Answer 1