THE TJNIVERSITY OF BRITISH COLUMBIA
2006
/ 2W7 WINTER S ES SION
PHYSICS T7O MECTIAMCS I
Midterm Examination: 1930
to 2030, Monday, March5,2007
Write all work to be marked
in the Answer Booklets provided.
You may consult a singlepage
8 %nch by I I inctr, handwritren
information sheet.
You musthand
in your information sheet with your Answer Booklet
in order
for your exam
to be marked.
You may use a graphing calculator.
Theexam consists
of 2 questions.
Question
I is worth 15 marks and
Question
2 is worth25 marks.
The exarn counts
for a totalof 20 nnds towards
your
Final Grade
for thecourse.
.
OTJESTION
I
The diagram belowshows points A, B and C on a rigid body. A force F of magnitude
500 N acts at point B.
The coordinate
direction angle of F to the positive yaxis
is 40".The coordinate
direction angle of F to the
positive zaris is 70'. The coordinate
direction angle of F to the positive xaxis
is greater
than90".
a)
Determine
the coordinate
direction angle of F to the positive xaxis.
(3 marks)
b)
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 Spring '05
 GordonSemenoff
 Work, Trigraph, asa Cartesian ector., bearing.The weightof ABCD

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