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Unformatted text preview: F x = 0 R A x = 0 F y = 0 R A y P = 0 R A y = P M A = 0 M A P a = 0 M A = P a 5 Step 2: If you have a multicomponent structure, you will need to Fnd joint forces too. Step 3: ind internal forces and moments. 1. Set up local coordinates. 2. Identify interesting points. 3. Cut beam and do BDs. 6 For 0 < x < a F x = 0 N = 0 F y = 0 P V y = 0 P = V y M A = 0 P a + M z P x = 0 M z = P x P a = P ( a x ) OR (From the other end) FBD F x = 0 N = 0 N = 0 F y = 0 P + V y = 0 V y = P M = 0 M z P ( a x ) = 0 7 M z = P ( a x ) Note: This is the same as before. For a < x < L F x = 0 N = 0 N = 0 F y = 0 V y = 0 M = 0 M z = 0 M z = 0 Step 4: Plot result and sanity check. 8...
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 Spring '09
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