MECHANICS - ROTATIONAL DYNAMICS - ROTATIONAL STABILITY	Order
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MOVIES Axis 1, 492k 320X240 Axis 1, 272k 160X120 Axis 2, 380k 320X240 Axis 2, 208k 160X120 Axis 3, 664k 320X240 Axis 3, 364k 160X120
Description: Spin the book (or board) about its three principle axes. The book will be stable when spinning about the axes with maxumum and minimum moments of inertia. The book will not be stable spinning about the axis with the intermediate moment. Parts: taped up text book Quant. in Demo Room: 1 Demo References Meiners 12-3.2 Toss a 8x4x1 block into the air. The Video Encyclopedia of Physics Demonstrations Disc 07-20 Toss a rectangular board into the air. Freier and Anderson Mu-20 A board of unequal dimensions is tossed and spins about various axes. The Physics Teacher TPT 17(9),599 A simple method of measuring the moments of inertia about the three axes before tossing the book. Also has a simple straw and paperclip inertia wand. The American Journal of Physics AJP 46(5),575 Directions of constructing blocks of inhomogeneous mass distribution for use in demonstrating the intermediate-axis theorem.
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