Monday, March 30, 2009
Irodov Problem 1.290
Let the coefficient of linear thermal expansion be . When the temperature increases by the length of the rod increases by a fraction . So if the length of the rod is l then the increase in length of the rod will be . In order for the length of the rod to be constant enough stress should be applied to compress the rod by . The strain will thus be . The stress (pressure) required will be .
Posted by Krishna Kant Chintalapudi at 3:43 AM