09 Quiz 2_Solutions

# 09 Quiz 2_Solutions - SOLUTION THE UNIVERSITY OF TEXAS AT...

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THE UNIVERSITY OF TEXAS AT AUSTIN Department of Aerospace Engineering and Engineering Mechanics EM 306 STATICS - UNIQUE NUMBER 13535 Spring 2009 QUIZ #2 Name: Date: The distance from the origin O to point A is 20ft. The straight line AB is parallel to the y axis and point B lies in the x-z plane. 1) [50 points] Find the magnitude of vectors r OB and r AB . 2) [50 points] Express vector r OA in terms of its scalar components (i.e. its components along the x , y , z axes)

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THE UNIVERSITY OF TEXAS AT AUSTIN Department of Aerospace Engineering and Engineering Mechanics EM 306 STATICS - UNIQUE NUMBER 13555 Spring 2009 QUIZ #2 Name: Date: The magnitudes of the two force vectors are |ࡲ | ൌ ૚૝૙ ࢒࢈ and |ࡲ | ൌ ૚૙૙ ࢒࢈ . 1) [50 points] Determine the magnitude of the sum of the forces ൅ࡲ . 2) [50 points] Express the sum of these forces in terms of its scalar components (i.e. in terms of its components along the x , y , z axes)

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Unformatted text preview: SOLUTION: THE UNIVERSITY OF TEXAS AT AUSTIN Department of Aerospace Engineering and Engineering Mechanics EM 306 STATICS - UNIQUE NUMBER 13540 Spring 2009 QUIZ #2 Name: Date: The cable AB exerts a 200-lb force F AB at point A that is directed along the line from point A to point B : 1) [50 points] Find the unit vector of the line passing though points A and B. 2) [50 points] Determine the scalar components of F AB (i.e. the components along the x , y , z axes). SOLUTION: THE UNIVERSITY OF TEXAS AT AUSTIN Department of Aerospace Engineering and Engineering Mechanics EM 306 STATICS - UNIQUE NUMBER 13560 Spring 2009 QUIZ #2 Name: Date: The cable BC exerts an 8-kN force F on the bar AB at B : 1) [50 points] Determine the components of a unit vector that points from B toward point C . 2) [50 points] Express F in terms of its scalar components (i.e. its components along the x , y , z axes). SOLUTION:...
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09 Quiz 2_Solutions - SOLUTION THE UNIVERSITY OF TEXAS AT...

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