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.

The force required to stretch a steel wire 1cm^(2) in cross - section to increase its length by 1% ,if its Young's modulus is 2xx10^(11)Nm^(-2) ,is

The Young's modulus of steel is 1.9 xx 10^(11) Nm^(-2) . Calculate its value in dyne cm^(-2) .

The pressure that has to be applied to the ends of a steel wire of length 10cm to keep its length constant when its temperature is raised by 100^@C is : (For steel Young's modulus is 2xx10^11 Nm^-2 and coefficient of thermal expansion is 1.1xx10^-5K^_1 )

Calculate the compressional force required to prevent the metallic rod of length l cm and cross sectional area Acm^2 when heated through t^@C from expanding lengthwise. Young's modulus of elasticity of the metal is E and mean coefficient of linear expansion is alpha per degree celsius.

Calculate the compressional force required to prevent the metallic rod length l cm and cross-sectional area A cm^(2) when heated through t^(@)C , from expanding along length wise. The Young's modulus of elasticity of the metal is E and mean coefficient of linear expansion is alpha per degree Celsiuss

The area of a cross section of steel wire is 0.1cm^2 and Young's modulus of steel is 2xx10^(11)Nm^-2 . The force required to strech by 0.1% of its length is

A steel wire 4.0 m in length is stretched through 2.0 mm. The cross-sectional area of the wire is 2.0 mm^(2) . If young's modulus of steel is 2.0 xx 10^(11) Nm^(-2) , then find the energy density of wire.

The area of a cross-section of steel wire is 0.1 cm^(-2) and Young's modulus of steel is 2 x 10^(11) N m^(-2) . The force required to stretch by 0.1% of its length is

How much will a 30 m steel tape 1 cm wide and 0.05 cm thick stretch under a pull of force of 300 N , if Young's modulus of steel is 2xx10^(11) Nm^(-2) ?