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A 100-ft-long steel bar is suspended vertically from its upper end. The cross-sectional area of the bar is 4.0 in. squared (2 in by 2 in). The unit weight of the steel is 490 pounds per cubic foot (pcf). Compute (a) the maximum tensile stress due to the bar's own weight and (b) the maximum load P (the allowable load) that can be safeley supported at the lower end of the bar if the allowable tensile stress is 24,000 psi.
consider a naca 0009 airfoil that has a plain flap whose length is 0.2c and which is deflected 25. a. calculate cl and
A rigid bar of mass m and length L is released from rest in the horizontal position. What is the rod's angular velocity when it has rotated through 90°?
How the lubricants reduce the friction and wear characteristics of the parts in contact?
Describe the four incorrect assumptions concerning robot - arm movement that are most frequently responsible for impact accidents.
Estimate the theoretical fracture strength of a brittle material if it is known that fracture occurs by the propagation of an elliptically shaped surface crack of length 0.16 mm and that has a tip radius of curvature of 0.002 mm when a stress of 1..
Fluid/Dam Pressure, Compare the pressure force exerted on the face of two dams that hold a fresh water of 1000 Kg/m^3 density and a salty water of 1030 Kg/m^3
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I would expect somthing like the requirement to execute the equation, please explain each term in the equation with its engineering units.
a baloon rises with a constant velocity.a load is tied by a rope to the basket. when the baloon is at altitude h0 the
The role of IFRS in both developing and developed capital markets.
a thin-walled closed-end cylindrical pressure vessel with spherical end caps is internally pressurized to 500 psi. if
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