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Problem 1) Figure shows an axially loaded step bar with the cross-sectional areas and forces indicated.
a) Sketch the load diagram and the axial force diagram for the bar.
b) Determine the axial stress on each segment in the axial force diagram.
c) What is the maximum axial stress in the bar?
Problem 2) Figure shows a solid shaft torque loads.
a) Sketch the load diagram and the torque diagram for the shaft.
b) Determine the torsional on each segment in the torque diagram id shaft diameter is 2 inches.
c) What is the maximum torsional stress in the shaft?
Problem 3) Figure shows the stress-strain graph of a material. From the graph, estimate the following:
a) Proportional limit
b) Yield strength
c) Tensile strength
d) Fracture or rupture strength
e) Elastic modulus
A plane is headed due west with an air speed of 224 m/s. The wind blows south at 19.0 m/s. Find the velocity of the plane relative to the earth
A heat engine has an efficiency of 35.0% and its power output is 600 W. What is the rate of heat input
A stone with a mass of 0.800 is attached to one end of a string 0.700 long. The string will break if its tension exceeds 65.0. Find the maximum speed the stone can attain without breaking the string
q1. what must the charge sign and magnitude of a particle of mass 1.47 g be for it to remain stationary when placed in
a spring is hanging vertically from a ceiling. assume the springs mass is negligible. i hang a 0.5kg mass on the spring
The mass of an electron is 9.11*10^-31kg. What is the mass of one negative coulomb electron
A 550-Hz longitudinal wave in air has a speed of 343 m/s. How much time is required for the phase to change by 90° at a given point in space? (Given: lambda=0.624 m). At a particular instant, what is the phase difference (in degrees) between two poin..
Three charged particles are fixed to an x axis: Particle 1 of charge q1 = 2.1e-8 C is at position x=20 cm and particle 2 of charge q2 = 2.00q1 is at position x = 30 cm, particle 3 of charge q3 = -4.00q1 is at position x = 70 cm.
A person can generate about 300 W of power on a treadmill. If the treadmill is inclined at 2% and a70-kg man runs at 3 m/s for 45 min, Calculate the percentage of the power output that goes into heating up his body.
a ferris wheel has a radius of 11.0 m and rotates once every 11.0 s. what is the force of the chair seat on you at each
During an all-night cram session, a student heats up a 0.668 liter (0.668 x 10- 3 m3) glass (Pyrex) beaker of cold coffee. How much coffee (in cubic meters) has spilled out of the beaker
You come across an open container which is filled with two liquids. Since the two liquids have different density there is a distinct separation between them. what is the density of the unknown fluid
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