Question

A steel rod of 4m long and 30mm diameter is connected to two grips and the rod is maintained at a temperature of 70° C. find out the force exerted by the rod after it has been cooled to 25°C, if a) the ends do not yield, and b) the ends yield by 1.5mm. Take
E=2.1X105N/mm2. Coefficient of linear expansion as 12x10-6/ °C.​

Answer 1

Answer:

Explanation:

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