Four identical springs are attached to a surface as shown, Determine the spring force, spring constant and stretch length in each case. Also determine the length at which the last mass will hang at rest. Note: Drawing is not to scale. Fs k unit unit unit 0.16m case 1 case 2 0.19m case 3 m2 0.27m 6kg case 2 What is mass 2 (m2)? unit case 1 What is length 3 (L3)? L3 9kg unit case 3 wwww
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- Please find the Grashof classification and the Barker classification of the two four-bars: (NOTE: distances are in non-dimensional units. Can use inches or cm) P1) L1=d=4, theta1=0 degrees, L2=a=1.6, theta2=60 degrees, L3=b=5.5, L4=c=4.5 P1) L1=d=1, theta1=0 degrees, L2=a=1.25, theta2=120 degrees, L3=b=1.5, L4=c=2 Please also draw the four-bars to estimate the unknown angles theta3 and theta4.The plot below of load vs. extension was obtained using a specimen (shown in the following figure) of an alloy remarkably similar to the aluminum-killed steel found in automotive fenders, hoods, etc. The crosshead speed, v, was 3.3x104 inch/second. The extension was measured using a 2" extensometer as shown (G). Eight points on the plastic part of the curve have been digitized for you. Use these points to help answer the following questions. 1. 900 800 (0.10, 630 ) 700 (0.50, 745) (0.30, 729) 600 (0.20, 699) (0.40, 741.5) 500- (0.004, 458) (0.80, 440 ) - 400 (0.0018, 405) 300 D= 3.3 " 0.03" 200 G=2.0" 100 - 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 Extension, inches a. Determine the following quamtities. Do not neglect to include proper units in your answer. Young's Modulus Total elongation Yield stress Ultimate tensile strength Uniform elongation Engineering strain rate Post-uniform elongation b. Construct a table with the following headings, left-to-right: Extension, load, engineering strain,…Q3/ In real life engineering application, it is required to design a spring in train, which one of the following materials in the table below should be choose, justify your answer ? used correct units? Poisson's Yield Strength Modulus of Elasticity 106 psi Material MPа psi GPa Ratio 30 0.30 120000 207 Steel alloy Brass alloy Aluminum alloy Titanium alloy 830 0.34 0.33 380 55000 97 14 275 40000 69 10 690 100000 107 15.5 0.34
- *24. D The drawing shows a bicycle wheel resting against a small step whose height is h = 0.120 m. The weight and radius of the wheel are w = 25.0 N and r = 0.340 m, respectively. A horizontal force F is ap- plied to the axle of the wheel. As the magnitude of F increases, there comes a time when the wheel just begins to rise up and loses contact with the ground. What is the magnitude of the force when this happens? Problem 241.44 Consider two helical springs with the following characteristics: Spring 1: material steel; number of turns -10; mean coil diameter - 12 in.; wire diameter - 2 in.; free length - 15 in.; shear modulus - 12 x10^6 psi Spring 2: material aluminum; number of turns - 10; mean coil diameter - 10 in.; wire diameter - 1 in.; free length - 15 in.; shear modulus - 4 x10^6 psi Determine the equivalent spring constant when (a) spring 2 is placed inside spring 1, and (b) spring 2 is placed on top of spring 1.The left side of this equation tells how much energy Q the cylinder gives to the water while it cools. The right side of this equation tells how much energy Q the water and aluminum cup absorb from the cylinder to warm up. Because it is the same energy, they are equal. What is known in this equation? Mcyl 411.7 g, malum 46.5 g, malum+water = 175 g Can you find: mwater =? g Twater = Talum = 20°C (water and cup of room temperature) 90°C, T; = 35°C (hot cylinder and cool "cylinder+cup+water" temperatures) Tcyl kCal Calum = 0.22, Cwater 1 (specific heat of water and aluminum, measured in units kg-°C What are we looking for is Ccul - How we find it? Plug all the numbers into the equation (1), Ccul will be one unknown which you can calculate from the equation. Important, convert all the masses from grams to kilograms! After you find Ccyl, compare it to known value for the copper 0.093(our cylinder is made out of copper). |Ceyl -0.093| % : · 100% 0.093
- Sy Step-by-Step Calculator - Syn x b Change in length of strut DC X b The displacements at points I x A WebAssign - ENGR 2331 Su2 x -> A webassign.net/web/Student/Assignment-Responses/last?dep=26956849#Q6 W 24 Statically Indeterminate S x E Apps M Gmail D YouTube Maps O Reading list A rigid bar of weight W= 810 N hangs from three equally spaced vertical wires (length L- 150 mm, spacing a= S0 mm): two of steel and one of aluminum. The wires also support a load Pacting on the bar. The diameter of the steel wires is d-2 mm, and the diameter of the wire is d,=4 mm. Assume E, - 210 GPa and E, = 70 GPa. Rigid bar of weight W (a) L. Rigid bar of weight W (b) (a) What load P (in N) can be supported at the midpoint of the bar (x = a) if the allowable stress in the steel wires is 200 MPa and in the aluminum wire is 65 MPa? (Se figure part (a).) (b) What is P (in N) if the load is positioned at x = a/2? N (c) Repeat part (b) if the second and third wires are switched as shown in the figure part…Problem Set 1- VECTOR RESULTANT BY ANALYTICAL METHOD PROBLEM SOLVING: Solve the following problems. Show pertinent solution and box the final answer. 1. The figure below represents a cart viewed from above being pulled by two children and experiencing a frictional force. Determine the net force on the sled by graphical method using a scale factor 1.0 cm = 4.0 N. F, = 8 N 30 "45 Cart f = 6 N F, = 10 NSimilarity, solve for P1 as well
- A Final-163 - S1 1.pdf - Adobe Acrobat Reader DC (32-bit) O X File Edit View Sign Window Help Home Tools Final-163 - S1 1.pdf x Sign In 2 / 5 図 。 138% Search 'Crop Page' Export PDF Q.1) For the plate shown in figure, determine the forces in three ropes if the plate weighs 1.6 kN. bE Edit PDF Create PDF Comment Combine Files 1,2 m EI Organize Pages D Compress PDF 0.8 m y B 0.8 m 2 Redact L0.9m 0.9 m C Protect l Fill & Sign 2 Send for Comme. Convert, edit and e-sign PDF forms & agreements Free 7-Day TrialConsider a pine wood shaft that is 8 ft long and has a diameter of 4 in. 2 What is the volume of the shaft (in ft³)? (Assume the shaft is cylindrical.) x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft3 What is the density of pine wood (see table below)? (Enter your answer in kg/m³.) Density, Specific Gravity, and Specific Weight of Some Materials (at room temperature or at the specified temperature) Material Solids Aluminum Asphalt Cement Clay Fireclay Brick Glass (soda lime) Glass (lead) Glass (Pyrex) Iron (cast) Iron (wrought) Paper Steel (mild) Steel (stainless 304) Wood (ash) Wood (mahogany) Wood (oak) Wood (pine) Density (kg/m³) Specific Gravity Specific Weight (N/m³) 26,880 2,740 2,110 1,920 1,000 1,790 @ 100°C 2,470 4,280 2,230 7,210 7,700 @100°C 930 7,830 7,860 690 550 750 430 2.74 2.11 1.92 1.00 1.79 2.47 4.28 2.23 7.21 7.70 0.93 7.83 7.86 0.69 0.55 0.75 0.43 20,700 18,840 9,810 17,560…already answered in bartleby. please do not copy! STATICS OF RIGID BODIES (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS AND FBD LEGIBLY. NO LONG EXPLANATION NEEDED. ANSWER IN 3 DECIMAL PLACES. BOX THE FINAL ANSWERS.) Let a = 11.66 mm