A steel bar `ABCD 40 cm` long is made up of three parts `AB, BC` and `CD`, as shown in figure. The rod is subjected to a pull of `25 kN`. Determine the stress in the thre parts and the total extension of the rod. Young's modulys for steel`=2xx10^(11)nm^(-2)`.

A steel bar ABCD 40 cm long is made up of three parts AB, BC and CD , as shown in figure. The rod is subjected to a pull of 25 kN . Determine the stress in the the parts and the total extension of the rod. Young's modulus for steel =2xx10^(11)Nm^(-2) .

A steel wire of length 600cm and diameter 1.2 mm is stretched through 4 mm by a load. Calculate the work done. Young's modulus of steel = 2xx 10^(11) Nm^(-2) .

A steel has a radius of 10mm and a length of 1.0m. A 100kN force stretches it along its length. Calculate stress and strain on the rod. Young's modulus of steel is 2.0 xx 10^11 Nm^-2 .

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

Two wires of diameter 0.25 cm, one made of steel and the other made of brass are loaded as shown in figure. The unloaded length of steel wire is 1.5 m and that of brass wire is 1.0 m. Compute the elongations of the steel and the brass wires .Young's modulus of steel is 2.0 xx 10^(11) Pa and that of brass is 9.1 xx 10^(11) Pa.

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) ?

A steel rod has a radius of 10 mm and a length of 1.0 m.A 100 kN force stretches it along its length. Calculate the elongation of the steel rod. [Young's modulus of steel is 2.0×10^11N/m^2 ]

How much will a 30m steel tape 1 cm wide and 0.05 cm thick stretch unde a pull of a force of 300N if Young's modulus of steel is 2 xx 10^(11) Nm^(-2)