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Unformatted text preview: numerical uncertainties associated with that value) and leads to F bot − F top = ρg ( h bot − h top ) A = ρgL 3 = 2180 N which is to be expected on the basis of Archimedes’ principle. Two other forces act on the block: an upward tension T and a downward pull of gravity mg . To remain stationary, the tension must be T = mg − ( F bot − F top ) = (450)(9 . 8) − 2180 = 2230 N . (d) This has already been noted in the previous part: F b = 2180 N, and T + F b = mg ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
- Fall '08