Solution_06 - A SSIGNMENT 6 : (D UE 4:00PM ON F RIDAY , O...

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Unformatted text preview: A SSIGNMENT 6 : (D UE 4:00PM ON F RIDAY , O CT . 22 ND AT GB332) C IV 101- S TRUCTURES , M ATERIALS AND D ESIGN , S ECTION J (9), 2004-2005 D EPT . OF C IVIL E NGINEERING , U NIVERSITY OF T ORONTO Rules : Draw a FBD for each problem; Use 5 Significant digits (two decimal points for angles); Always Express vectors in i, j, k terms (it is also good to find the value and angle of the force). 1- Find the y-coordinate of the centroid of the shaded areas. Area(mm 2 ) (mm) A A1 300x100 30000 50 1500000 A2 x 90 2 / 2-12723 38.197-485980 A3 150x75 11250 137.5 1546875 A4 75x75/2 2812.5 125 351562.5 A5 75x75/2 2812.5 125 351562.5 Sum 34152 3264020 mm A AY Y 573 . 95 34152 3264020 = = = Area(mm 2 ) (mm) A A1 x 74 2 / 2 8601.7 31.407 270149 A2 64x32-2048 16-32768 Sum 6553.7 237381 mm A AY Y 221 . 36 7 . 6553 237381 = = = http://ccnet.utoronto.ca/20049/civ101h1fsection9/ Civ101 Assignments A1 A2 A3 A4 A5 A1 A2 A SSIGNMENT 6 : (D UE 4:00PM ON F RIDAY , O CT . 22 ND AT GB332) C IV 101- S TRUCTURES , M ATERIALS AND D ESIGN , S ECTION J (9), 2004-2005 D EPT . OF C IVIL E NGINEERING , U NIVERSITY OF T ORONTO Rules : Draw a FBD for each problem; Use 5 Significant digits (two decimal points for angles); Always Express vectors in i, j, k terms (it is also good to find the value and angle of the force). 2- Determine the coordinates of the centroid of the shaded area. Area(mm 2 ) X A X (mm) A A1 250x400 100000 200 20000000 125 12500000 A2 250x150/2 18750 450 8437500 83.333 1562500 A3 x60 2-11309.7 200-2261947 125-1413712.5 Sum 107440 26175553 12648787 mm A AX X 63 . 243 107440 26175553 = = = mm A AY Y 73 . 117 107440 12648787 = = = http://ccnet.utoronto.ca/20049/civ101h1fsection9/ Civ101 Assignments A1 A2 A3 A SSIGNMENT 6 : (D UE 4:00PM ON F RIDAY , O CT . 22 ND AT GB332) C IV 101- S TRUCTURES , M ATERIALS AND D ESIGN , S ECTION J (9), 2004-2005 D...
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This note was uploaded on 12/10/2011 for the course CIV 100 taught by Professor Nahrvar during the Spring '08 term at University of Toronto- Toronto.

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Solution_06 - A SSIGNMENT 6 : (D UE 4:00PM ON F RIDAY , O...

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