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Unformatted text preview: Sample Exam Solutions 1‐1 You should show three unknown forces with labels and a known force (20*9.81=196.2N) in the figure. 1‐2 Spring A stretch: 0.218m Spring B stretch: 0.327m 2‐1 F = {‐20.7i + 77.3k} N 2‐2 Mz = 6.21k Nm 3‐1 FR = {‐125i – 1296j} N, MR,B = ‐1760k Nm You should show a force vector (magnitude: 1302N, directed toward down‐left with an angle of 84.5° from the x axis) applied at B, and a moment vector (magnitude: 1760Nm, direction: CW) at B. 3‐2 FR = {‐125i – 1296j} N (the same as 3‐1) Distance: 1.36m to the right from B (You can specify the point using different point) You should show a force vector (the same magnitude and direction as 3‐1) applied at a point 1.36m to the right from B. ...
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 Fall '08
 KO
 Statics

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