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ENGINEER 2P04
Practice Problem Set: 9
Page 1 of 3
Faculty of Engineering,
McMaster University, Hamilton, Ontario, CANADA.
ENGINEER
2P04 
ENGINEERING MECHANICS "A"
PRACTICE
PROBLEM SET: 9
This problem set contains 10 problems.
Please solve them prior to the tutorial time.
Only the problems indicated with
*
will be discussed during the tutorial time.
Solutions to this problem set will be posted at the Course Website.
1.
The solid circular steel (G = 80GPa) shaft
has a diameter of 80mm. If the gears are
spaced at 1.25m intervals, determine;
[a] The maximum shearing stress in the shaft.
[b] The rotation of a section at D with respect
to a section at B.
[c] The rotation of a section
at E with respect
to a section at A.
2.*
The torques shown are exerted on pulleys A,
B, C, and D. Knowing that each shaft is solid,
determine (a) the shaft in which the maximum
shearing stress occurs, (b) the magnitude of that
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 Spring '10
 Sivakumaran
 Statics

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