You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 415 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 178.0N and the beam's weight is 37.0 N. The beam's length is 1.86 m and the sign's dimensions are 1.00 m horizontally x 0.80 m vertically. What is the minimum angle 0 that you can have between the beam and cable? Joe's 0.80 m AUTO SERVICE FESE EMATS- -1.00 m-

Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter8: Rotational Motion
Section: Chapter Questions
Problem 90A
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Q1
You are asked to hang a uniform beam and sign using a cable that has a breaking strength of
415 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a
weight of 178.0N and the beam's weight is 37.0 N. The beam's length is 1.86 m and the
sign's dimensions are 1.00 m horizontally x 0.80 m vertically. What is the minimum angle 0
that you can have between the beam and cable?
Joe's
0.80 m
AUTO SERVICE
FESE CETIMATES
-1.00 m-
Transcribed Image Text:Q1 You are asked to hang a uniform beam and sign using a cable that has a breaking strength of 415 N. The store owner desires that it hang out over the sidewalk as shown. The sign has a weight of 178.0N and the beam's weight is 37.0 N. The beam's length is 1.86 m and the sign's dimensions are 1.00 m horizontally x 0.80 m vertically. What is the minimum angle 0 that you can have between the beam and cable? Joe's 0.80 m AUTO SERVICE FESE CETIMATES -1.00 m-
Q2
Pivoting Rod
A uniform rod is free to rotate in a vertical
plane about a frictionless hinge at one end. It
is released from rest at an angle of 30°.
(I = (1/3) ML²)
1
The initial downward acceleration of the free
end of the rod is:
A. equal to g
B. greater than g
C. less than g
Transcribed Image Text:Q2 Pivoting Rod A uniform rod is free to rotate in a vertical plane about a frictionless hinge at one end. It is released from rest at an angle of 30°. (I = (1/3) ML²) 1 The initial downward acceleration of the free end of the rod is: A. equal to g B. greater than g C. less than g
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