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1. The semicylindrical shell of mass m and radius r is rolled through an angle () by the force P which re- mains tangent to its periphery at A as shown. If P is slowly increased, plot the tilt angle () as a function of P up to the point of slipping. Determine the tilt angle ()max and the corresponding value Pmax for which slipping occurs. The coefficient of static friction is 0.30.
2. A heavy cable with a mass of 12 kg per meter of length passes over the two fixed pipes 300 m apart on the same level. One end supports a 1600-kg cylinder. By experiment it is found that a down- ward force P of 60 kN is required to induce slipping of the cable over both pipes at a constant rate. Determine the coefficient of kinetic friction µ,k between the cable and the pipes, the maximum tension T in the cable between the pipes, and the sag h in the cable.
a particular type of tennis racket comes in a midsize version and an oversize version. sixty percent of all customers
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Consider a diamond shaped airfoil oriented to the oncoming stream. Approximate results since the inclination angles are small. All four faces are same length. Angle of attack is 10 deg. According to Newtonian hypersonic theory, Find the numerical val..
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Determine the resultant of the three forces F1 = 2.0i + 3.3j - 2.6k; F2 = - i + 5.2j - 2.9k; and F3 = 8.3i - 6.6j + 5.8k, which are concurrent at the point (2, 2, -5.). The forces are in Newton's and the distances are in meters.
The force of gravity on an imaginary Earth-mass planet - When the two balls are separated horizontally by 5.0 cm, the string hangs
We want to produce 20 kg/s of saturated water vapor by mixing steam at 350oC with liquid water at 20oC. The adiabatic mixing process occurs at a constant pressure of 10 MPa. During the mixing process, a stirring mechanism does work on the mixture at ..
In a wind tunnel, a flow is sped up. In the reservoir, the velocity is approximately zero. In the test section, the air is at standard conditions with a flow speed of 30 m/s. What is the total pressure in the test section (in Pa)? What is the static ..
steam is leaving a pressure cooker whose operating pressure is 30 psia. the amount of liquid inside the pressure cooker
gaseous co2 is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of
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