A steel rod of length `5 m` is fixed between two support. The coefficient of linear expansion of steel is `12.5 xx 10-6//^(@)C`. Calculate the stress (in `10^(8) N//m2`) in the rod for an increase in temperature of `40^(@)C`. Young's modulus for steel is `2 xx 10^(11) Nm^(-2)`

A rod is fixed between two points at 20^(@)C . The coefficient of linear expansion of material of rod is 1.1 xx 10^(-5)//.^(C and Young's modulus is 1.2 xx 10^(11) N//m . Find the stress develop in the rod if temperature of rod becomes 10^(@)C

A steel rod of length 5m is fixed rigidly between two supports. a of steel = 12xx10^(-6)//""^(@)C,Y=2xx10^(11)Nm^(-2) . With the increase in its temperature by 40^(@)C , the stress developed in the rod is

Two ends of a steel rod are rigidly fixed with two supports. At 30^(@)C its area of cross-section is 4 cm^(2) . How much force will be exerted on the supports by the ends of the rod if the temperature of the rod is raised by 60^(@)C ? [Young's modulus of steel =2.1 times 10^(12)dyn*cm^(-2) and its coefficient of linear expansion is 12 times 10^(-6@)C^(-1)]

When a steel wire is subject to a stress of 3.8xx10^(5) N//m^(2) , its length is increased by 2 part in a million. The Young's modulus jof steel is

When a steel wire is subject to a stress of 3.8xx10^(5) N//m^(2) , its length is increased by 2 part in a million. The Young's modulus jof steel is