ON 3 A brass rod AD (see figure) has a cross-sectional area of A- 250 mm' and is loaded by forces P 15 kN, P:- 10 kN, and Py-8 kN. The lengths of the segments of the bar are a-2.0 m, b-0.75 m, and c-1.2 m. Assuming that the modulus of elasticity E-110 GPa, 3.1 Calculate the change in length of the bar. Does the bar elongate or shorten? (6) 3.2 By what amount should the load P, be increased so that the bar does not change in length when the three loads are applied? (3) 3.3 If P, remains at 5780 N, what revised cross-sectional area for segment AB will result in no change of length when all three loads are applied? (3) (12) P A B 20 0-

ON 3 A brass rod AD (see figure) has a cross-sectional area of A- 250 mm' and is loaded by forces P 15 kN, P:- 10 kN, and Py-8 kN. The lengths of the segments of the bar are a-2.0 m, b-0.75 m, and c-1.2 m. Assuming that the modulus of elasticity E-110 GPa, 3.1 Calculate the change in length of the bar. Does the bar elongate or shorten? (6) 3.2 By what amount should the load P, be increased so that the bar does not change in length when the three loads are applied? (3) 3.3 If P, remains at 5780 N, what revised cross-sectional area for segment AB will result in no change of length when all three loads are applied? (3) (12) P A B 20 0-

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

See similar textbooks

Similar questions

An aluminum bar having a cross-sectional area of 160 mm2 carries the axial loads at the positions shown in the figure. If Modulus of elasticity is 70 GPa, compute the total deformation of the bar. Assume that the bar is suitably braced to prevent buckling.
The Uniform AB brass bar is fixed with support and pin as shown in the figure and has a rectangular perpendicular cross-sectional area. Both ends of the bar are free in the vertical direction, but are prevented from rotating in the horizontal direction. a- Find b/d ratios at safe limits for horizontal and vertical axes. b- If P= 1,8 kN, L= 7 m, d= 60 mm and e= 150 GPa, what is the safety factor?
A column, pinned at top and bottom, is made up of two C 10 x 25 steel shapes (see figure) that act together. Gap- 26 ft. Note that distance d is measured between the centroids of the two C sha ve this problem using the assumptions of ideal, Assume that E = 30,000 ksi and L slender, prismatic, and linearly elastic columns (Euler buckling).) (a) Find the buckling load (in kips) if the gap is zero. 37.3 kips (b) Find required separation distance d (in inches) so that the buckling load is the same in y and z directions. 6.92 in.
2.2-4 A steel cable with a nominal diameter of 25 mm (see Table 2-1) is used in a construction yard to lift a bridge section weighing 38 kN, as shown in the figure. The cable has an effective modulus of elastic- ity E = 140 GPa. (a) If the cable is 14 m long, how much will it stretch when the load is picked up? (b) If the cable is rated for a maximum load of 70 kN, what is the factor of safety with respect to failure of the cable? ▬▬
i need the answer quickly
I need to solve this question as soon as possible
HW: 1-1-12 Find the axial stress in rods AB and BC. AB has a diameter of 25 mm and BC has a diameter of 15 mm. State if they are in tension (T) or compression (C). Answer(s): B A 6000N 8000N
The steel bar has the original dimensions shown in the figure with b c%=222 mm. If it is subjected to an axial load P 350 mm and C = 33 kN, what is the change in its %3D length? Et 200 GPa. P- O 0.128 mm O 0.0925 mm O 0.0564 mm O 0.0571 mm
I am struggling with this question
I need the answer as soon as possible