Engineering > EXAM > EGR 217 Exam #2 | Questions with 100% Correct Answers | Updated & Verified (All)

EGR 217 Exam #2 | Questions with 100% Correct Answers | Updated & Verified

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If a support prevents translation of a body, then the support exerts a ___________ on the body. A) couple moment B) force C) Both A and B. D) None of the above - ✔✔B) force Internal forces are _ ... ________ shown on the free body diagram of a whole body. A) always B) often C) rarely D) never - ✔✔D) never Internal forces are not shown on a free-body diagram because the internal forces are _____. (Choose the most appropriate answer.) A) equal to zero B) equal and opposite and they do not affect the calculations C) negligibly small D) not important - ✔✔B) equal and opposite and they do not affect the calculations The three scalar equations, ΣFX = Σ FY = Σ MO = 0, are ____ equations of equilibrium in two dimensions. A) incorrect B) the only correct C) the most commonly used D) not sufficient - ✔✔C) the most commonly used If a support prevents rotation of a body about an axis, then the support exerts a ________ on the body about that axis. A) couple moment B) force C) Both A and B D) Insufficient information provided - ✔✔A) couple moment [Show More]

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