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Grade: 11 

                        
(a) Two 10-lb weights are attached to a spring scale as shown in Fig. .– 25a. What is the reading of the scale? (b) A single 10-lb weight is attached to spring scale which itself is attached to a wall, as shown in Fig. 3-25b. What is the reading of the scale? (Ignore the weight of the scale.)
5 years ago

Answers : (1)

Aditi Chauhan
askIITians Faculty
396 Points 
							236-996_1.JPG
 FBD:-

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Subtracting equation (4) from equation (2), 236-2016_1.JPG
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5 years ago
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