A steel rod of length 1 m and cross sectional area `10^- 4` `m^2` is heated from `0^@C` to `200^@C` without being allowed to extend or bend. The compressive tension produced in the rod is _____`xx10^4` N (Given Young's modulus of steel=`2xx0^11` N`m^-2`, coefficient of linear expansion = `10^- 5` `K^- 1`)

A steel rod (Y = 2.0xx10^(11) N//m^(2) and alpha = 10^(-50) .^(0)C^(-1) ) of length 1m and area of cross-section 1cm^(2) is heated from 0^(@)C to 200^(@)C without being allowed to extended or bend. Then the tension produced in the rod is

A steel rod with y = 2.0 xx 10^11 Nm^(-2) and alpha = 10^(-5)""^@C^(-1) of length 4 m and area of cross - section 10 cm^2 is heated from 0^@C to 400^@C without being allowed to extend. The tension produced in the rod is x xx 10^5 N where the value of x is __________.

A steel rod (Y = 2.0 xx 10^(11) N//m^(2) " and "alpha = 10^(-50).^(@)C^(-1)) of length 1 m and area of cross-section 1 cm^(2) is heated from 0.^(@)C to 200^(@)C , without being allowed to extend or bend. What is the tension produced in the rod?

Calculate the force required to prevent a steel wire of 1 mm^2 cross-section from contracting when it cools from 60^@C to 15^@C , if Young's modulus for steel is 2xx10^11 Nm^-2 and its coefficient of linear expansion is 0.000011^@C^-1.

A steel rod of length 50 cm has a cross–sectional area of 0.4 cm^(2) . What force would be required to stretch this rod by the same amount as the expansion produced by heating it through 10^(@)C . ( alpha = 10^(-5) k^(-1) and Y = 2 xx 10^(11) N//m^(2))

A uniform steel wire of cross-sectional area 0.20mm^(2) is held fixed by clamping its two ends. If wire is cooled from 100^(@)C to 0^(@)C , find (a) temperature strain (b) temperature stress (c) extra force exerted by each clamp on the wire. Young's modulus of steel =2xx10^(11)N//m^(2) , coefficient of linear expansion of steel =1.2xx10^(-5)//^(@)C .

A thin rod of negligible mass and area of cross-section 4 xx 10^(-6)m^(2) , suspended vertically from one end has a length of 0.5 m at 10^(@)C . The rod is colled art 0^(@)C , but prevented from contracting by attaching a mass at the loqedr end. Find (i) This mass and (ii) The energy stored in the rod. Given for this rod, Y = 10^(11)Nm^(-2) , coefficient of linear expansion = 10^(-5)K^(-1) and g = 10ms^(-2) .

A metal rod of cross-sectional area 10^(-4)m^2 is hanging in a chamber kept at 20^@C with a weight attached to its free end. The coefficient of thermal expansion of the rod is 2.5xx10^(-6)K^(-1) and its Young's modulus is 4xx10^(12)N//m^2 . When the temperarure of the chamber is lowered to T then a weight of 5000 N needs to be attached to the rod so that its length is unchanged. Then T is

A steel rod of length 25cm has a cross-sectional area of 0.8cm^(2) . The force required to stretch this rod by the same amount as the expansion produced by heating it through 10^(@)C is (alpha_(steel)=10^(-5)//^(@)C and Y_(steel)=2xx10^(10)N//m^(2))