D 30° B 60° 45° A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
The system lamp has a mass M and is supported by the six strings shown. The length of the chords and the horizontal distance ED are constant, point E remains fixed but the vertical distance ED can vary.
a) If in the position shown the chord BC is horizontal, calculate the angle ? to maintain equilibrium, consider the mass M = 10 kg.
b) Explain what happens to the magnitude of the stresses when point D moves.

Transcribed Image Text:D
30
B
°C
60°
45°
Expert Solution

Step 1 When chord BC is horizontal then
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