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Draw the free-body diagram and write the corresponding elemental equation for a spring element with the following definitions:Spring moves horizontally. Compression force in the spring is considered positive. Displacement of the left end of the spring, x1, is considered positive to the left, while that of the right end, x2, considered positive to the right. Confirm the correctness of your equation with two examples. The example should show that your elemental equation produces a positive (negative) force when the spring is in compression (elongation) with some x1 and x2 combinations. One example for stretch and one for compression.
the central cubical area of an office building at sea level has a floor area of 4000 ft2 and is occupied by 30 people
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A short 60-mm-diameter circular bar is made of a material for which the maximum safe compressive stress is 80 MPa and the maximum safe shearing stress is 30 MPa. Determine the maximum axial compressive force that can be safely applied.
the uniform slender has a mass of 15 kg. determine the horizontal and vertical components of reaction on pin o and the
this isnt a specific problem but a question in general. when is it appropriate to use double integrals in solving for
compute the shear strength in the pins connecting rods when a load of f equals 1500lb is carried. the pins have a
the combination of water and co2 molecules in the atmosphere accounts for approximately 150 wm2 in greenhouse heating.
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A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lbf). Determine the minimum required wire diameter, assuming a factor of safety of 2 and a yield strength of 860 MPa (12..
a non-flow process is carried out adiabatically. what is the change in specific internal energy of the fluid if 55000
Determine the force in each of the members connecting joints A through F of the vaulted roof truss shown. State whether each member is in tension or compression.
the specifications for an automobile fuel pump state that it should pump 1 l of gasoline in 40 seconds with a suction
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