作者jesonk (東區)
看板NTU-Exam
標題[試題] 100-2 陳國在 靜力學 第二次小考
時間Wed Apr 18 18:48:49 2012
課程名稱︰靜力學
課程性質︰必修
課程教師︰陳國在
開課學院：工學院
開課系所︰工科海洋系
考試日期（年月日）︰2012/04/12
考試時限（分鐘）：50分鐘
是否需發放獎勵金：是
試題 :
1. Try to give statement on the Varignon’s Theorem for a 3-D concurrent
forces system (20%)
2. For a 3-D force in 3-D Cartesian coordinate frames system, can you write
two commonly used methods to define the direction of this force (25%).
3. A tension of magnitude 10kN is applied to the cable attached to the top A
of the right mast and secured to the ground at B. determine the moment of
about z-axis passing through the base O (25%)
4. What is a wrench ? Try to use plotting to illustrate a 3-D force-moment
system can be replaced by a wrench (30%)
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