Midterm March 2008

Midterm March 2008 - THE LINIVERSITY OF BRITISH COLUMBIA 2...

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THE LINIVERSITY OF BRITISH COLUMBIA 2OO7 I2OO8 WINTER SESSION PHYSICS 170 MECHANICS I Midterm Examination: 7:30 pm to 8:30 pm, Monday, March 3,2008 Write all work to be marked in the Answer Booklets provided. You may consult one 8 Yz inch by I I inch hand-written double-sided information sheet. You must hand in your information sheet with your Answer Booklet in order for your exam to be marked. You may use a graphing calculator. The exam consists of 2 questions. Question 1 is worth l5 marks and Question 2 is worth 25 marks. The exam counts for a total of 20 marks towards your Final Grade for the course. OUESTION I The diagram below shows arigid body ABCD. A couplemoment M:10 kkN m acts at A, aforce Fs:2ikNactsatB,aforceF6:3jkNactsatCandaforceFp:4kkNactsatD,wherei,j,karetheusual Cartesian unit vectors. a) Draw a large, clear diagram for ABCD showing the Cartesian unit vectors and the numerical values of the couple moment, the three forces and the coordinates of points A, B, C and D. (3 marks) Write the resultant Fn of the three forces as a Cartesian vector. (2 marks) Determine the magnitude Fpof Fp. (2 marks) The couple moment and the three forces acting on ABCD are replaced by a wrench, that is, the resultant couple moment
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This note was uploaded on 02/03/2010 for the course PHYS PHYS 170 taught by Professor Gordonsemenoff during the Spring '05 term at UBC.

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Midterm March 2008 - THE LINIVERSITY OF BRITISH COLUMBIA 2...

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