Question: 3 . 6 A thin rim with a mean diameter of 1 , 2 m and cross - section of 1 5 m m 2

3.6 A thin rim with a mean diameter of 1,2m and cross-section of 15mm200mm rotates at 800rmin. Calculate (a) the magnitude of the force and the stress in the rim if the density of the materials is 7800kgm3; and (b) the change in diameter due to rotation (E=200GPa.
3 . 6 A thin rim with a mean diameter of 1 , 2 m

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