The Eighties Reading 1. Chap. 5 and 6, Spaceflight and the myth of Presidential Leadership.\ 2. Chap. 2, \Space Policy: How Technology Economics and Public Policy Intersect.\ 3. Chap. 5 and 6, \Beyond Horizons.\ Strategic Themes
History and Policy in the sixties Reading 1. Spaceflight and the Myth of Presidential Leadership?\Chapters 2&3 2.“ The Heavens and the earth” Chapters 11-22 3.“ Beyond Horizons” Chapter3 Strategic themes The use of the Space Program as a political tool to show the superiority of the
Who is in the Space Enterprise and what are their roles? Reading A. US National Space Policy, http://www.whitehouse.gov/wh/eop/osTp/htmL/ostpHomehtml B.DodSpacePolicyhttp://www.c3i.osd.mil/org/c3is/spacepol/index.html C.Nrohomepagehttp://www.nro.mil D.Nasahomepagehttp://www.nasa.gov/enterprises.html
UNCLASSIFIED Unclassified Sources of Space Policy and Law Custom Domestic and International Laws Treaties and Agreements Policy Statements and Directives -Presidential DoD and The Armed Services Other Government Or
Space Policy Seminar#1 What is space policy? Who makes it and Why is it important? Outlineo Definitions Technical statement and limits A simple model for space policy statements
16.61 Aerospace Dynamics Spring 2003 Derivation of lagrangian equations Basic Concept: Virtual Work Consider system of N particles located at(, x2, x,,.x3N )with 3 forces per particle(f. f, f..fn). each in the positive
16.61 Aerospace Dynamics Spring 2003 Lagrange's equations Joseph-Louis lagrange 1736-1813 http://www-groups.dcs.st-and.ac.uk/-history/mathematicians/lagranGe.html Born in Italy. later lived in berlin and paris Originally studied to be a lawyer
ECTURE +2 RIGId BoDY DYNAnIC 工Ap1CAT105FA。R工 GENERAL ROTATIONAL JYNMICS EULER'S EQuATIoN of MOTIoN TORQVE fREE SPECIAL CAsEs PRIMARY LESSONS 3D RoTATONAL MOTION MUCH MORE COMPLEX
16.61 Aerospace Dynamics Spring 2003 Generalized forces revisited Derived Lagrange s equation from d'Alembert's equation ∑m(8x+16y+22)=∑(Fx+F+F。=) Define virtual displacements sx Substitute in and noting the independence of the 8q,, for each