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(Solved): Q1. A thin wire is bent to form the shape shown below (Figure 1 ). Find the centroid x and y coordi ...
Q1. A thin wire is bent to form the shape shown below (Figure 1 ). Find the centroid x and y coordinates. (17 points) Q2. Determine the y-coordinate of the centroid of the shaded area (Figure 2). What is the x-coordinate of the centroid of the same shaded area (You may not need to do any calculation to find the x-coordinate, but to get the full credit you must explain it clearly). (17 points) Q3. Determine the x - and y-coordinates of the centroid of the shaded area (Figure 3). (16 points) Q4. Calculate the volume V of the solid generated by revolving the 60mm right-triangular area through 180? about the z axis. If this body is constructed of steel, what would be its mass? Given: the density of steel is 7830kg/m3. (Figure 4) (22 points) Q5. Find the volume V of the solid generated by revolving the shaded area about the z-axis through 90?. Given: r=100mm,a=50mm. (Figure 5) ( 28 points)
Figure 2
Figure 4