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The spring is unstretched when x 0. If the body moves from the initial position x 100 mm to the final position x2 = 200 mm, (a) determine the work done by the spring on the body and (b) determine the work done on the body by its weight. 3/103 www 4 kN/m 7 kg -60 J, (6) U1-2 = 2.35 J %3D Ans. (a) U1.2 20°

The spring is unstretched when x 0. If the body moves from the initial position x 100 mm to the final position x2 = 200 mm, (a) determine the work done by the spring on the body and (b) determine the work done on the body by its weight. 3/103 www 4 kN/m 7 kg -60 J, (6) U1-2 = 2.35 J %3D Ans. (a) U1.2 20°

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
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The spring is unstretched when x 0. If the body moves from the initial position x = 100 mm to the final position x2 = 200 mm, (a) determine the work done by the spring on the body and (b) determine the work done on the body by its weight. Ans. (a) U1-2 = -60 J, (b) U1-2 3/103 www 4 kN/m 7 kg = 2.35 J 20°
Transcribed Image Text:The spring is unstretched when x 0. If the body moves from the initial position x = 100 mm to the final position x2 = 200 mm, (a) determine the work done by the spring on the body and (b) determine the work done on the body by its weight. Ans. (a) U1-2 = -60 J, (b) U1-2 3/103 www 4 kN/m 7 kg = 2.35 J 20°
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