C3-28 A50-kg lad is susperied fnom a pulley as stewn in Fig. P3 28. The tension in the flexible cable dnes not change as it paaNes aruLand he small frictionless puleye. and the wright af the cahle may he neglected. I'lot the kerce Prequired for equilibr.um as a function of the seg distanee 0d=1 r. Determine the minimurI sag fur which Pis lese than a. Twice the weight sf the kead. b. Four times the weight of the Iad. c bight tizmes the weight of Uhe load. rig. P3-20
C3-28 A50-kg lad is susperied fnom a pulley as stewn in Fig. P3 28. The tension in the flexible cable dnes not change as it paaNes aruLand he small frictionless puleye. and the wright af the cahle may he neglected. I'lot the kerce Prequired for equilibr.um as a function of the seg distanee 0d=1 r. Determine the minimurI sag fur which Pis lese than a. Twice the weight sf the kead. b. Four times the weight of the Iad. c bight tizmes the weight of Uhe load. rig. P3-20
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
Transcribed Image Text:C3-28 A50-kg lad is susperied fnom a pulley as stewn
in Fig. P3 28. The tension in the flexible cable dnes not
change as it paaNes aruLand he small frictionless puleye.
and the wright af the cahle may he neglected. I'lot the kerce
Prequired for equilibr.um as a function of the seg distanee
0d=1 r. Determine the minimurI sag fur which
Pis lese than
a. Twice the weight sf the kead.
b. Four times the weight of the Iad.
c bight tizmes the weight of Uhe load.
rig. P3-20
Expert Solution
Step 1
Draw the free-body diagram of the block.
Step 2
Write the expression of the static force equilibrium in the x-direction.
Write the trigonometric relation of angle θ.
Step 3
Write the expression of the static force equilibrium in the x-direction.
Understand that the tension in the cable is equal to the load applied. Thus,
Step by step
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