Pravinbhai !Required informationShown in the figure is a 12-gauge (0.1094-in) by width (V3) of 0.75-in latching spring that supports a load of F= 5 lbf. Theinside radius of the bend V5 is 0.25 in. The length V2 is given to be 5 in.NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.V5-in R.4ཤV2 in.V3 inF-No. 12 gauge (0.1094 in)Section A-AUsing straight-beam theory, determine the stresses at the top and bottom surfaces immediately to the right of the bend.The stress at the top surface isbin2The stress at the bottom surface islb/in²

Step 1:Given data :F=5 lbfV3=0.75 inV5=0.25 inV2=5 in Step 2:Moment acting on the right of…

Answered: ! Required information Shown in the…

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

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Stiffness of a helical spring decreases with increase in deflection Select one: O True O False
Required information A helical compression spring is wound using music wire of diameter, d, 2.16 mm. The spring has an outside diameter, OD, of 27 mm with plain ground ends and 14 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What is the force needed to compress this spring to closure assuming that the spring will reach its shear strength at its solid length? The force needed to compress this spring to closure is |N.
Find the magnitude of tension in string (or spring scale reading) and the magnitude of vertical FV and horizontal FH components of force applied on meter stick by the hinge. (Project this equation on Ox …this will give you the magnitude of FH force. Project this equation on Oy …this will give you the magnitude of FV force) (Draw a free body diagram) please data: Lruler = 1m mruler= 134 g dstring=80 cm d1= 35 cm d2= 82 cm M1=250g M2=150g θ = 38 degrees α= 62 degrees
As seen in the figure, the block on an inclined plane is lifting from 0 0 with two degrees increment in each step. (0, = 0, 0 =2, 02 = 4, ..) Until which degree can we increase the angle without any slipping between the block and the inclined plane? For condition of F > F, the block continues to hang on the inclined plane. Otherwise, it starts to slip. F, = W + sin8(rad), Fy = W+ cosa(rad) F = F, + u, u = 0.50, W = 100 N
2. The figure shows a spring chair. The chair weight is 100 N. The spring free-length is 500 mm, mean diameter is 200 mm, wire diameter is 10 mm and number of turns is 12. The spring wire material is Music wire A228 with modulus of rigidity of 82700 MPa. Calculate the initial deflection of the spring under the chair weight. If a child seats on the chair, calculate his weight to bush the spring to the shut height. Calculate the stresses in the spring at that condition. BFD'N y = d*G 8FD T = K, 4C +2 K = 4C – 3 D C = --- o00000000od
Required information A helical compression spring is wound using music wire of diameter, d, 2.16 mm. The spring has an outside diameter, OD, of 27 mm with plain ground ends and 14 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What should be the free length to ensure that the torsional stress does not exceed the yield strength when the spring is compressed solid? What is the critical free length? Is there a possibility that the spring might buckle in service? The free length should be |mm. The critical free length should be Buckling is likely Eto occur. mm.
- Required information A helical compression spring is made of hard-drawn spring steel wire of diameter 0.0773in. and has an outside diameter of 0.85 in. The ends are plain and ground, and there are 8 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What is the pitch of this spring? What force is needed to compress the spring to its solid length? Estimate the spring rate. The pitch of the spring is in. The force needed to compress the spring to its solid length is lbf. The spring rate is lbf/in.
If the wire diameter of a compressive helical spring is increased by 2%, the change in spring stiffnes: (in %) is (correct to two decimal places).
1. Design a compression helical spring to cary a load of 500 N with a deflection of 25 mm. The spring index may be taken as 8. Assume the following values for the spring material: Permissible shear stress 350 MPa Modulus of rigidity = 84 kN/mm2 4C – 1 + 4C – 4 0.615 Wahl's factor -, where C= spring index. [Ans. d= 5.893 mm; D=47.144 mm; n 6]
Quantity Trial 1 Trial 2 F1 (dynes) 93100 dyn 102900 dyn F2 (dynes) 68600 dyn 107800 dyn F3 (dynes) 102900 dyn 117600 dyn F4 (dynes) 34300 dyn 78400 dyn On a separate sheet of paper or graphing paper, using polygon method (one for each trial), connect all the forces F1, F2, F3 and F4. What is the resultant force? What do you observe?
A helical compression spring is wound using 0.12-in-diameter phosphor-bronze B159 wire. The spring index C = 10 and the total number of coils is N = 14. You may assume that the spring has both ends squared and ground and is supported between fixed ends. Also, Sgy = 0.45 · Sut- a. Estimate the spring rate. b. Estimate the static load corresponding to the yield strength. c. What should the free length of the spring be to ensure that when it is compressed solid the torsional stress does not exceed the yield strength? d. Calculate the critical value of the free length of the spring to avoid buckling.
For Hibiscus and Rose Groups A steel helical spring is wound from No. 14 music wire with a mean helix diameter of 0.6 in. The load varies continuously between 10 and 4 lb. Find the factor of safety.

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