THERMO ERL

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The figure on the left, below, shows a non-uniform bent rod with a mass of 5 kg. Your job is to determine the location of the center of gravity of this rod. You design an experiment: you connect a pin and cable to the rod such that it safely stays in static equilibrium under a force P that you apply. Then, you apply forces between 0-100 N, and measure the tension force on the cable using a cable tension meter. The results of your experiment are shown in the figure, on the right. Using this experiment, calculate (approximately) the horizontal distance (x in the figure) between point A and the center of gravity G of the bent rod. B C O I 20 cm 20 cm 60° D 50 cm Tension measurement [N] 60 50 40 30 20 -10 0 10 real data estimated fit 20 30 40 ܐܐܝ 50 P[N] 60 70 80 90 100

A metal piston is placed in the top of a cylinder containing a gas and a liquid, as shown in the figure below, compressing the gas. Assume that the interface between the piston-cylinder is frictionless and forms a perfect seal so that none of the gas can escape. (a) Derive the equation for the absolute pressure of the gas. Identify each variable and use the subscripts P, G, and L to variables specific the cylinder, gas or liquid. State any and all assumptions. (b) Calculate the absolute pressure of the gas (in kPa) for the case where the disc is made of copper, the gas is air, the liquid is water, the diameter of the cylinder is 10cm and the height of the piston is 3cm. Values for needed constants can be found in Chapter 1 of your text, along with Tables A-1 and A-3. piston gas liquid piston gas liquid

The figure shows a mechanical model of the Russel fracture traction device and the leg. The leg is held in balance in the position indicated by the two weights attached to the two cables. The total weight of the leg and the cast is W=200 N. The horizontal distance between points A and B where the cables are attached to the leg is L=100 cm and the vertical distance is d=10 cm . Point C is the center of gravity of the cast and leg at three quarters of the L measured from point A ( 3L/4= 75 cm) . The angle that cable 2 makes with the horizontal is measured as β=40 ° . Accordingly, in order for the leg to remain in balance in the position shown;  a)  Find the tensile force  T 1 in cable 1  . (Write your result  in N  ) b) Find the tensile force  T 2 in cable 2   . (Write your result  in N  )  c)  Find the angle  α of cable 1 with the horizontal

Please could I have the solutions for this question in a step-by-step form. Thank you very much.

coukd you help solve and explain this pls.  4 and 5 hand writing please

H.W: A hypodermic syringe contains a medicine with the density of water. The barrel of the syringe has a cross-sectional area (2.50x10-5) m2, and the needle has a cross-sectional area (1.00x10 8 ) m². In the absence of a force on the plunger, the pressure everywhere is 1.00 atm. A force F of magnitude 2.00 N acts on the plunger, making medicine squirt horizontally from the needle. Determine the speed of the medicine as it leaves the needles tip.

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tv wil The following forces are acting on the bracket below. The bracket has a width w of 2 inches and a height h of 3 inches. The bracket is in equilibrium (not accelerating). Determine F3y knowing F1x-98 lbf and F1y-166 lbf. For this question, what is F3y in Ibf? Note that the y-direction is pointing up, so if the force is pushing down on the bracket, it has a negative magnitude. h 3,

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Q3: For the equilibrium position shown 4 ft 4 ft in fig. (2), 0 = 43°. Find the mass (m) of the lamp fixture suspended from the two springs, if each spring has an unstretched wwww k= 5 lb/ (before the equilibrium) length of 4 ft and k- 5 lb/t stiffness of k = 5 Ib/ft. (lamp fixture) W of lamp fixture Fig. (2)

the 800-lb force is applied to the pin at e. determine the magnitude of the force exerted by pin e on member bde. neglect the weight of the structure

FIGURE 3.49 Figure for Problem 3-22. 3-22 Determine the governing equations for the fluid heights in the tanks for the two-tank systems in cascade, as shown in Fig. 3.49. h₂ (1) R₁ h₂(1) A₂ R₂