Calculate the percentage increase in length of a wire of diameter 2.5 mm stretched by a force of 100 kg wt. Young's modulus of elasticity of the wire is `12.5xx10^(10) N//m^2`,

A steel rod has a radius of 1 cm and a length of 1m. A 100 kN force stretches it along its length. Calculate (i) the stress, (ii) elongation and (iii) percentage strain on the rod. Given that young's modulus of elasticity for the steel rod =2xx10^(11)N//m^(2) .

What will be the increase in length of a steel wire of length 10 m and of diameter 2mm when subjected to a tension due to application of a load of 168 kg on it? Young's modulus of steel= 21 times 10^10 N.m^-2 .

A metallic wire of length and diameter 300 cm and 0.1 cm. respectively is stretched by a load of 10 kg. Young's modulus and Poisson's ratio for the material of the wire are 20 times 10^11 dyn.cm^-2 and 0.26 respectively Calculate the decrease in diameter of the wire.

When a load of 10 kg is hung from one end of a wire of length 5 m, the wire elongates by 5 mm. IF the young modulus for the material of the wire is 9.8 times 10^10 N.m^-2 , then find the area of cross section of the wire. [g=9.8 m.s^-2 ]

A metallic wire of length and diameter 3 m and 0.001 m respectively is stretched by a load of 10 kg.Young's modulus and Poisson's ratio of the material of the wire are respectively 20 times 10^10 N.m^-2 and 0.28 . Calculate the decrease in the diameter of the wire. ( g=9.8 m.s^-2 )

Calculate the change in length of a wire of length 5 m undergoing a strain of 1% of 0.1. IF the area of cross section of the wire is 1mm^2 and the load applied on it is 10 kg then find the ratio of stress to strain.