100.0 N 30.0°i 2.00 m 4.00 m
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
Related questions
Question
(a) In Fig. a
6.00-m-long, uniform beam is hanging
from a point 1.00 m to the right
of its center. The beam weighs 140 N
and makes an angle of 30.0° with the
vertical. At the right-hand end of the
beam a 100.0 N weight is hung; an
unknown weight w hangs at the left
end. If the system is in equilibrium,
what is w? You can ignore the thickness
of the beam. (b) If the beam
makes, instead, an angle of 45.0° with
the vertical, what is w?
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