Q 34/ A roll of paper has a uniform weight of 0.75 lb and is suspended from the wire hanger so that it rests against the wall. If the hanger has a negligible weight and the bearing at O can be considered frictionless, determine the minimum force P and the associated angle needed to start turning the roll. The coefficient of static friction between the wall and the paper is 4, 0.25. 30 3 in. Fig. 34

Q 34/ A roll of paper has a uniform weight of 0.75 lb and is suspended from the wire hanger so that it rests against the wall. If the hanger has a negligible weight and the bearing at O can be considered frictionless, determine the minimum force P and the associated angle needed to start turning the roll. The coefficient of static friction between the wall and the paper is 4, 0.25. 30 3 in. Fig. 34

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

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Question

Q 34/ A roll of paper has a uniform weight of 0,75 lb and
is suspended from the wire hanger so that it rests against
the wall. If the hanger has a negligible weight and the
bearing at O can be considered frictionless, determine the
minimum force P and the associated angle # needed to start
turning the roll. The coefficient of static friction between
the wall and the paper is a.
= 0.25.
30
3 in.
Fig. 34

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