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))`

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 steel rod of length L_0 . has a cross sectional area A. The force required to stretch this rod by the same amount as the expansion produced by heating it through DeltaT is (coefficient of linear expansion of steel is alpha and young's modulus for steel is Y ).

A steel rod 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. Find the tension produced in the rod (Y=2.0 xx 10 ^(11) Nm ^(-1) , alpha = 10 ^(-5) ^(@)C ^(-1))

A uniform steel rod of 2.5 mm^2 cross sectional area is heated through 40^@C . The force exerted it is ________. (alpha_(steel) = 1.2 xx 10^-5 /^@ C, Y_(steel)= 2 xx 10^11 N/m^2)

A steel wire of length 2.5 m and area of cross section 1.25 mm^(2) , when it is stretched by a force of 40 N and Y for steel is 2xx10^(11)N//m^(2) . The extension produced in a steel wire is