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arrying a we IE (Fig. 15.5 m, BC is ho: e angles of 1

arrying a we IE (Fig. 15.5 m, BC is ho: e angles of 1

Elements Of Electromagnetics
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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4, A string ABCDE whose extremity A is fixed has weights W, and W, attached to it at B and C, and passes round a smooth peg at D carrying a weight of R00 N at the free end E (Fig. 15.59). If in A T3 T4 1 and AB and CD make angles of 150° and a state of equilibrium, BC is horizontal T 150° 120° T3 E T1 120° respectively with BC, make calcu- C W= 800 N В 12 T2 lations for (a) the tensions in portions AB, BC, CD and DE of the string (b) the value of weights W, and W, () the pressure on the peg D. W2 Fig. 15.59
Transcribed Image Text:4, A string ABCDE whose extremity A is fixed has weights W, and W, attached to it at B and C, and passes round a smooth peg at D carrying a weight of R00 N at the free end E (Fig. 15.59). If in A T3 T4 1 and AB and CD make angles of 150° and a state of equilibrium, BC is horizontal T 150° 120° T3 E T1 120° respectively with BC, make calcu- C W= 800 N В 12 T2 lations for (a) the tensions in portions AB, BC, CD and DE of the string (b) the value of weights W, and W, () the pressure on the peg D. W2 Fig. 15.59
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