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Name:
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ECE210
Pacheco
E '1'
Exam
# Student
2
DO T
ID:
Midterm
exam No. 1: Open book, closed notes. It is not permitted to discuss the content of
this exam with others. All your work must be shown; be neat and mark your answers. (10/3 points
each problem).
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1. The uniform rectangular panel ABC D has a mass of 40kg and is hinged at its corners A and
B to the fixed vertical surface. A wire from E to D keeps edges BC and AD horizontal. Hinge
A can support thrust along the hinge axis AB, whereas hinge B supports force normal to the
hinge axis only. Find the tension T in the wire and the magnitude B of the force supported
by the hinge B.
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a ball-and-socket joint at 0 attached to the vertical x - -y surface. Determine the reactions
at 0 and the cable tensions.
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