In the cylindrical coordinate system, stress component Trz = 23 N/m². Trz acts on a surface (shown below) whose normal direction points in the positive r direction. The area of the surface is 40 in². a) How much is the magnitude of the force acting on this surface due to Trz? b) What is the direction of this force? c) Identify the other two components of stress on this surface and draw their directions if they are positive. 10 N

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Pressure and Stress