Please give a detailed solution.I need a solution in handwritten format only, Include Free body diagram. Problem 2.8Suppose that F₂ = 6 kN. (Figure 1)Part ADetermine the directions of the force F₂ components acting along the u and vaxes.along the negative u axis and along the negative v axisalong the positive u axis and along the positive v axisalong the negative u axis and along the positive v axisalong the positive u axis and along the negative u axisSubmitMy Answers Give UpFigure 1of 175°V30°30°F₁ = 4 kNF2Part BDetermine the magnitude of the component (F2)μ-Express your answer with the appropriate units.Part C?UnitsMy Answers Give Up(F2). ValueSubmitIncorrect; Try Again; 5 attempts remainingDetermine the magnitude of the component (F2),Express your answer with the appropriate units.?u(F2), ValueUnitsSubmitMy Answers Give Up

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Answered: Problem 2.8 Suppose that F₂ = 6 kN.…

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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Suppose that you used 70 quadratic elements to discretise a bar system (mesh). What is the size of the assembled stiffness matrix? (Hint: if the size of the matrix is 10 by 10, then write 10 in the answer box).
(a) Write equations for the internal forces at J (axial (F), shear (V), and bending (M)) in terms of only P and a. (b) Graph your equations as functions of P, using a = 45°, from 0 < P < 1000 N. Use your graph to answer the following conceptual questions: 1. Which quantity (F, V, or M) is most affected by changes in P? 2. Based on your diagrams and graphical results, for positive values of P... I. Is point J under tension or compression? II. If the structure fails (snaps) at a point just to the right of J, which direction does your diagram indicate point J will travel (up or down)? III. Which direction do your results indicate member BC will tend to bend, concave up or down? 3. For different values of a, what will happen to these lines? Choose all that apply: a. They will shift up/down b. They will shift left/right c. They will rotate (change slope) d. Nothing (c) Graph your equations as functions of a, using P = 100 N, from 0 < a < 2π. Use your graph to identify what value of a…
3
A current problem in the U.S. Air Force is the neck/shoulder fatigue experienced by pilots. To be able to fly missions at night, the pilots wear night vision goggles, which are attached to the front of the helmet. Unfortunately, these are heavy, causing a large downward torque of the head, which must be counteracted by the neck muscles, which then fatigue. To alleviate this problem, many pilots have started attaching random lead weights to the back of the helmet. Find the appropriate weight that would best balance the head and minimize neck fatigue – You must show your free body diagram. Assumptions: a) center of gravity of goggles is 20 cm in front of neck pivot point, b) load of goggles1.0 kg mass, c) center of gravity of lead weight is 10 cm behind neck pivot point, d) load of bare helmet 3 kg mass, e) center of gravity of helmet is 2 cm in front of neck pivot, f) load of head 4.0 kg mass, and g) center of gravity of head is right at neck pivot point. Answer: ___________________
(5.1) Show that o, +o,(=0 +0,) is a conserved quantity through rotation of coordinates. We still assume a 2D medium. (5.2) What is the maximum shear stress in the medium if the principal stresses are given by o, and o, ?
SECTION B- STRUCTURES-DR LARISA MALYSHEVA QB1 DIRECT STRESS Two round solid bars of different materials are connected (in parallel) and have a common tensile force, P, of 190 kN is applied,ras shown in Figure QB1. For each bar, determine the: a) b) Stress. Strain and Strain in the diameter. Use the following information. Clearly show all your derivations. The original length of each bar = 1.7m. %3D Steel Bar: 32mm Dia. Poisson's Ratio = 0.31 18mm Dia. Young's Modulus = 210 GPa %3D Steel Aluminium Bar Bar Common Connection Aluminium Bar: P = 190 kN Poisson's Ratio = 0.34 Young's Modulus = 68 GPa Fig QB1

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