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Unformatted text preview: Derive an expression for the distance h in terms of L and S. Show that this position of equilibrium does not exist if S > 2L. **Please turn over for problems 3 and 4** 3. The ramp ABCD is supported by cables at corners C and D. The tension in each of the cables is 810 N. Determine the moment about A of the force exerted by (a) the cable at D, (b) the cable at C. 4. A sign erected on uneven ground is guyed by cables EF and EG. If the force exerted by cable EF at E is 230 N, determine the moment of that force about the line joining points A and D....
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 Fall '06
 Richman
 Force, TORONTO Department of Civil Engineering, length S. Derive

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