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A circular shaft of length / and radius a is twisted at the ends by a torque T, which results in an angle of twist a per unit length of the shaft. The shear modulus of the material is G
(a) Find the magnitude of the nonzero components of stress in the shaft.
(b) Derive expressions for the strain energy density and the total strain energy
A circular beam length 36 inches and diameter 1 inch is supported on the left end by a pin joint and the right end with a roller. The beam is under axial tension with forces of 1000 lbs out of each end.
Evaluate the principles of maintenance and performance - calculate and tabulate data for plain line design.
If the purlins are spaced 4 ft and the bents are spaced 25 ft apart, determine the distributed loading that acts along the purlin DF and the loadings that act on the bent at A,B,C,D, and E.
For a concrete column that is part of a braced frame, if the column is square, tied, 18 inches per side, 16 feet long, classify the column as slender or non slender
A plumber places his hands 18 inches apart on a pipe threader and can push (and pull) with 80 lb of force. What couple moment does he exert? How much could he exert if he moved his hands to the ends so that his hands are 254 inches apart?
As a further exercise, try to find values of t for your approximation that keeps the error (i.e., the difference between the approximation and the real function v(t) ) less than 0.1.Hint: to help with this, ask yourself this question: where would mor..
Project Criteria: How will you assess whether you have met your goals and objectives?
Drawdown data from an observation piezometer near a well used for a pumping test with constant pumping rate is plotted on a semilog plot vs. time (the time axis, on the horizontal, is on a log scale).
A factory discharges its waste into a river upstream from a lake. The discharge release rate is 2 kg formaldehyde per day. The decay is a first order process with a decay rate of 0.000005/s.
A drop of water forms under a solid surface. assume the drop has the shape of a hemisphere just before seperating. find an expression for the diameter, D
a quality of water within a piston-cylinder assembly executes a carnot power cycle. during isothermal expansion the
A carpenter uses a hammer to strike a nail. Approximate the hammer's weight of 1.8lbs, as being concentrated at the head, and assume that at impact the head is traveling in the -j direction
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