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The steering column of the rack-and-pinion steering mechanism lies in the xz-plane. The tube AB of the steering gear is attached to the automobile chassis at A and B. When the steering wheel is turned, the assembly is subjected to the four couples shown: the 3-N·m couple applied by the driver to the steering wheel, two 1.8-N · m couples (one at each wheel), and the couple formed by the two forces of magnitude F acting at A and B. If the resultant couple acting on the steering mechanism is zero, determine F and the angle θ (the magnitude and direction of the bearing reactions).
Assume a collision occurs at 10:30 PM on the westbound of a 4-lane bridge (2-lane in each direction) blocking the entire roadway. When the accident happens, the traffic volume is around 1200 veh/hr. Emergency crew responded quickly to open 1 lane wit..
Determine the downward acceleration α of the frame at which the contact at B will separate and break the electrical circuit.
A classroom that normally contains 40 people is to be air conditioned with window air conditioning units of 5 kW cooling capacity. A person at rest may be assumed to dissipate heat at a rate of about 360kJ/h
Water in a pip has a pressure of 22.1 lb/ft2. What is the pressure head?
Two changes to the CAFE standard for US automobiles are being considered. A more conservative increase from 27.5 mpg in 2011 to 35 mpg by 2020 is supported widely in Washington. California and 13 other states + the District of Columbia hope to increa..
The rivets are 10 mm in diameter, spaced a distance s = 24.4 mm apart, and have an average shear strength of 35 MPa. Determine the maximum internal pressure in MPa if the rivets are not to shear.
Determine the normal stress in a soccer ball if the internal pressure is 110 kPa, the outside diameter is 220mm and the wall thickness is 3mm .
The undrained shear strength of the test was reported as 56 kPa. Estimate the in situ undrained shear strength of the soil if λ = 0.2.
Determine the reactions at the support of the cantilever shown in Figure S1.9 . The applied loading consists of the distributed triangular force shown.
What are the advantages and disadvantages of a double intersecting lauren.
design a horizontal curve with a 40-degree central angle ( delta = 40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06 ft/ft. Give the radius, degree of curvature, and length of curve that yo..
The wheel is rolling to the left without a constant angular velocity without slipping. determine the direction of acceleration at point a?
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