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Final

PCS 211 Study Guide - Final Guide: Mississippi Highway 9, Headon, Mississippi Highway 18


Department
Physics
Course Code
PCS 211
Professor
B.Devika Chithrani
Study Guide
Final

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Department of Physics
PCS 211 Physics: Mechanics
Final Exam December 9, 2011
Check the name of your professor:
Read the following attentively
Ensure that your name and student number are correct in the bubble sheet.
Duration of the exam is 170 minutes.
The exam consists of 25 multiple-choice questions. Answer ALL questions.
Each question has 1 mark.
For each multiple choice question:
o You need to show, in the space provided in this booklet, a justification for your answer. If no work or
correct argument is shown, the resultant mark may be zero, even if the answer in the bubble sheet is
correct.
o The work shown in your exam booklet may be checked, at least for one of the questions, selected
randomly.
o Transfer your choices to the bubble sheet only when you’re sure of them.
o Some answers may be rounded off.
Pagers and cell phones must be silenced and placed out of reach. Hats and earphones are not allowed. If a
phone rings, its owner is responsible for disrupting the exam and the phone will be confiscated or the owner
will be asked to leave the room resulting in a zero on the test.
Sharing of pencils, erasers and calculators is not permitted.
Talking to another student or glancing over another student’s paper is not permitted and may result in a
charge of academic misconduct.
The calculator models allowed for the test are either Sharp EL-546 or Casio FX-991 (or versions of these
models). If you are found to have another type of calculator, it may be confiscated for the duration of the
test.
The exam booklet has a total of 12 pages. You are responsible for checking that you have all pages.
Please Print Clearly:
Student:_______________________________ ___________________________
Last Name First Name
Student Number: __________________________ Student Section: _______________
Please insert in the circle the
initial of your last name
Sign here to signify you read the instructions
Dr. Hu
Dr. Toronov
Dr. Tavakkoli
Dr. Yuan

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Problems
1. Find the vector resultant of three displacements having x and y components (3.00, 2.00) m, (-5.00,
3.00) m, and (6.00, 1.00) m.
(a) 4.00i + 2.00j m
(b) -5.00i +3.00j m
(c) 4.00i + 6.00j m
(d) 6.00i + 1.00j m
(e) None of the above
2. What is the angle (in degrees) between the direction of the force and the direction of the section AB
of the pipe?
(a) 30
(b) 43
(c) 25
(d) 59
(e) None of the above

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3. A 600 N load is supported by three cords with the geometry as shown. The tensions in cords AB,
AC and AD are respectively:
(a) 693 N, 646 N, 900 N
(b) 900 N, 646 N, 693 N
(c) 693 N, 900 N, 646 N
(d) 646 N, 693 N, 900 N
(e) None of the above
4. A force is applied to the tool to open a
gas valve. The magnitude of the moment of
this force about the z axis is
(a) 40 N.m
(b) 33.3m
(c) 50 N.m
(d) 25.5 N.m
(e) 15.5 N.m
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