During heavy lifting, a disk between spinal vertebrae is subjected to a 5000-N compressional force. (a) What
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During heavy lifting, a disk between spinal vertebrae is subjected to a 5000-N compressional force.
(a) What pressure is created, assuming that the disk has a uniform circular cross section 2.00 cm in radius?
(b) What deformation is produced if the disk is 0.800 cm thick and has a Young's modulus of 1.5 x 109 N/m2?
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