THERMO ERL

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Q2/ The out - of - balance of a machine rotor is equivalent to 5 kg at 10 mm radius in one plane A, together with an equal mass at 15 mm radius in a second plane B. AB = 375 mm and the two radii are 120°. Find the mass required in third plane C at a radius of 125 mm and its angular position with respect to the given radii so that there is no resultant out - of - balance force. Find also the position of C along the axis for the residual couple to be a minimum and of this couple when the speed is 500 r.p.m.

The input piston and output plunger of a hydraulic car lift are at the same level, as shown in the drawing. The cross-sectional area of the input piston is 12 cm2, while that of the output plunger is 1200 cm2. The force F1 applied to the input piston has a magnitude of 160 N. What is the weight W of the car? Neglect the weight of the piston and plunger

A string holds and wraps around a solid cylinder (7-kg and R = 8-m). A person pulls the string vertically upward, so the cylinder's center of gravity does not move and is suspended in midair for 7 second. Note that the rotational inertia of the cylinder about its axis is MR2/2, the tension in the string is 8- N. what is the net force on the cylinder in Newton? Note: Do not include the unit in your answer. T

Q4: The diagram shows the open bonnet of a car vortical force V ijlull. The bonnet is held open at an angle of 60° to the horizontal by a vertical force V applied at one end of the bonnet (shown on the diagram). The bonnet is 0.90 m long, has a weight of 25 N and its center of gravity G is car bonnet- 0.35 m from the hinge at O. 0.90m 1) On the diagram, draw and label the two forces other than V acting on the bonnet. 635m 2) By taking moments about 0, Proof that the vertical force V applied at the end of the bonnet is 9.7 N. horizonlal - hinge O 3) Calculate the magnitude of the force acting at the hinge O.

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

Use the following figure for both questions below. 1. The end of a tank containing water is vertical and has the shape of the bottom of a half circle of radius 10m. Determine the hydrostatic force against the end of the tank. 2. A milk truck carries milk with density 64.6lb/f in a horisontal cylindrical tank with diameter 6/t. F'ind the force exerted by the milk on one end of the tank when the tank is half full.

Solve the following question using scalar components and solve the resulting system of equations by substitution, please show all the work and units at each step

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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