A steel bar AD has a cross sectional area of 250 mm^2 and is loaded by a force P1= 5KN, P2 = 10KN and P3 = 6KN. The lengths of the segments are a= 1.5m, b=0.60m, and c=0.90m. E=200,000 MPa. a.) Calculate the change in length of the bar. b.) Determine the stress of member BC. c.) By what amount should the load P3 be increased so that the bar does not change in length when the three loads are applied.
A steel bar AD has a cross sectional area of 250 mm^2 and is loaded by a force P1= 5KN, P2 = 10KN and P3 = 6KN. The lengths of the segments are a= 1.5m, b=0.60m, and c=0.90m. E=200,000 MPa. a.) Calculate the change in length of the bar. b.) Determine the stress of member BC. c.) By what amount should the load P3 be increased so that the bar does not change in length when the three loads are applied.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 3RQ: A capacitor uses air as a dielectric and has a capacitance of 3 F. A dielectric material is inserted...
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2. A steel bar AD has a cross sectional area of 250 mm^2 and is loaded by a force P1= 5KN, P2 = 10KN and P3 = 6KN. The lengths of the segments are a= 1.5m, b=0.60m, and c=0.90m. E=200,000 MPa.
a.) Calculate the change in length of the bar.
b.) Determine the stress of member BC.
c.) By what amount should the load P3 be increased so that the bar does not change in length when the three loads are applied.
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