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Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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27/03/21, 2:56 PM
1. A copper bar of 12 mm diameter gets stretched by 1 mm under a steady load
of 4 kN. What stress would be produced in the bar by a weight 500 N, the
weight falls through 80 mm before striking the collar rigidly fixed to the
lower end of the bar ? Take Young's modulus for the bar material as 100
GPa.
2. A mild steel rod 1 m long and 20 mm diameter is subjected to an axial pull
of 62.5 kN. What is the elongation of the rod, when the load is applied (i)
gradually. and (ii) suddenly. Take E as 200 GPa
Assignment No.4"
Transcribed Image Text:7:20
. 4G
+91 82751 24797
All Media
27/03/21, 2:56 PM
1. A copper bar of 12 mm diameter gets stretched by 1 mm under a steady load
of 4 kN. What stress would be produced in the bar by a weight 500 N, the
weight falls through 80 mm before striking the collar rigidly fixed to the
lower end of the bar ? Take Young's modulus for the bar material as 100
GPa.
2. A mild steel rod 1 m long and 20 mm diameter is subjected to an axial pull
of 62.5 kN. What is the elongation of the rod, when the load is applied (i)
gradually. and (ii) suddenly. Take E as 200 GPa
Assignment No.4
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- Try One scene 13 of 13 Bar properties 800 mm Determine the internal forces and normal A1 500 mm? stresses in bars (1) and (2). (+ = (2) tension, compression) - = E, 80 GPa %D 470 mm 350 mm? Also, determine the deflection of the rigid bar in the x direction at C. (+= right, = left) A2 = E, 80 GPa - = 45 kN 630 mm (1) F1 53.289 kNX 1000 mm 470 mm F2 15.576 kNX X 106.578 MPAX 02 44.5 MPAX Try One VC 3.118 mmX 1st 2nd 3rd Enter attemptarrow_forwardA ¼ inch diameter steel rod is to carry an axial load of 2000 lbs. If the yield strength is 38 ksi, will the rod yield?arrow_forward
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