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Midterm February 2006

# Midterm February 2006 - FAMILY NAME STUDENT NO SIGNATURE T...

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FAMILY NAME: STUDENT NO.: SIGNATURE: TFIE UNIVERSITY OF BRITISH COLUMBIA 2AO 5 / 2A06 WINTER SES SION PHYSICS 170 MECHANICS I Midterm Examination I105to 1150 Friday, February 24,2a06 Write all work to be marked in the Answer Booklets provided. You may consult any material you have brought to the exam room. Theexam consists of 2 questions worth a total of 20 marks. Questior I is worth T marks. Qrcstion 2 is worth 13 marl<s. OTJESTION I The diagram below shows points Au B and C on a rigid body. A force F of magnitude 800 N acts at point A. a) Express F as a Cartesian vector. (l mark) b) Determine the magnitude of the moment of F ontoan axis extending fibm B to C (4 marks) c) Express this moment as a Cartesian vector. (2 marks) +rn 5 rn

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g PHYSICS 170 MECHANIC'S T Midterm Examination ll05 to ll50 Friday, February 24,2406 QUESTION l: SOLUTION ('rrl,S),n cGl rr, tr) "n + 3 .-s t o + S , n S S l* ) t l (+-a r)- , ) F -f L -+ L 0 .\ L + + ( a.) -- 8oo l 5 , D O C o S S S S , n 6 S <"s s so Gs 6st5 -.> rJ- = t) -ri*i-2il : { lt*-3t i a' -5 fn --' !g r t t s \ ( . x F ) - - O .
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Midterm February 2006 - FAMILY NAME STUDENT NO SIGNATURE T...

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