Unformatted text preview: figure). The beam has length L 5 27.5 m m and rectangular cross section of width b 5 4.0 m m and thickness t 5 0.88 m m. The total load on the beam is 17.2 m N. If the deflection at the end of the beam is 2.46 m m, what is the modulus of elasticity E g of the gold alloy? (Use the formulas of Example 92.) Solution 9.36 Goldalloy microbeam t L q b Cantilever beam with a uniform load. L 5 27.5 m m b 5 4.0 m m t 5 0.88 m m qL 5 17.2 m N d max 5 2.46 m m Determine Eq. Eq. (926): or E q 5 3 qL 4 2 bt 3 d max I 5 bt 3 12 E q 5 qL 4 8 I d max d 5 qL 4 8 E q I Substitute numerical values: 5 80.02 3 10 9 N / m 2 or E q 5 80.0 GPa E q 5 3(17.2 m N)(27.5 m m) 3 2(4.0 m m)(0.88 m m) 3 (2.46 m m) APDF Split DEMO : Purchase from www.APDF.com to remove the watermark...
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 Spring '08
 Armanios
 Cantilever Beam, uniform load

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