# pset7 - Massach usetts Institute of Tech n logy o Depar...

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Massachusetts Institute of Techn ology Department of Aeronautics and Astronautics Cambr idge, MA 021 39 16.01/16.02 Unified Engineering I, II Fall 2003 Problem Set 7± Name:± Time Spent (min) M2 M3 M4 U3 S7 S8 S9 Study Time Due Date: 10/21/03± Announcements:±

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Problem M2 (Materials and Structures) In this question you will calculate and sum forces and moments in 2-D Consider the system of forces and couples acting in the directions indicated on the 6m x 6 m grid shown above. Calculate: (a) The total (resultant) force acting on the grid (b) The total moment acting about point O. In each case express your answer as a vector.
Problem M3 (Materials and Structures) In this question you are asked to examine equilibrium in 2-D Referring back to the grid, and the applied forces and moments in question M2 determine whether the grid can be held in equilibrium by the application of the following combinations of additional forces and moments. In cases where equilibrium can be achieved express the necessary forces and moments as vectors. In cases where equilibrium cannot be achieved,

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## pset7 - Massach usetts Institute of Tech n logy o Depar...

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