If the strain in a wire is not more than `1//1000` and Y `=2xx10^(11)N//m^(2)` Diameter of wire is 1 mm. The maximum weight hung from the wire is

An iron wire of length 4 m and diameter 2 mm is loaded with a weight of 8 kg. if the Young's modulus Y for iron is 2xx10^(11)N//m^(2) then the increase in the length of the wire is

(a) A steel wire of mass u per unit length with a circular cross section has a radius of 0.1 cm. The wire is of length 10 m when measured lying horizontal and hangs from a hook on the wall. A mass of 25 kg is hung from the free end of the wire. Assuming the wire to be uniform an lateral strains lt lt longitudinal strains find the extension in the length of the wire. The density of steel is 7860 kgm ^(-3) and Young's modulus =2 xx 10 ^(11) Nm ^(-2) (b) If the yield strength of steel is 2.5 xx 10 ^(8) Nm ^(-2), what is the maximum weight that can be hung at the lower end of the wire ?

A steel wire of mass mu per unit length with a circular cross-section has a radius of 0.1cm . The wire is of length 10m when measured lying horizontal, and hangs from a hook on the wall. A mass fo 25kg is hung from the free end of the wire. Assume the wire to be uniform and laterla strain lt lt logitudinal strain. If density of steel is 7860 kg m^(-3) and Young's modulus is 2xx10^(11) N//m^(2) then the extension in the length fo the wire is

A steel wire of mass mu per unit length with a circular cross-section has a radius of 0.1cm . The wire is of length 10m when measured lying horizontal, and hangs from a hook on the wall. A mass fo 25kg is hung from the free end of the wire. Assume the wire to be uniform and laterla strain lt lt logitudinal strain. If density of steel is 7860 kg m^(-3) and Young's modulus is 2xx10^(11) N//m^(2) then the extension in the length fo the wire is

A wire of length 1m is stretched by a force of 10N. The area of cross-section of the wire is 2 × 10^(–6) m^(2) and Y is 2 xx 10^(11) N//m^(2) . Increase in length of the wire will be -

An iron wire of length 4m and diameter 2mm is loaded with a weight of 8kg. If the Young's modulus 'Y' for iron is 2xx10^11 Nm^(-2) then the increase in length of the wire is

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2 m. The wires at the endpoints are made of copper and the middle one is made of steel. If the tension in each wire is the same, then the diameter of copper wire to the diameter of steel wire is ["Given, "Y_("copper")=1.1xx10^(11)"N m"^(-2) and Y_("steel")=1.9xx10^(11)"N m"^(-2)]

A rigid bar of mass 15 kg is supported symmetrically by three wires, each of length 2 m. The wires at the endpoints are made of copper and the middle one is made of steel. If the tension in each wire is the same, then the diameter of copper wire to the diameter of steel wire is ["Given, "Y_("copper")=1.1xx10^(11)"N m"^(-1) and Y_("steel")=1.9xx10^(11)"N m"^(-2)]

A wire having Young's modulus 1.2xx10^(11) N//m^(2) is subjected to the stress of 2.4xx10^(7) N//m^(2) . If the length of the wire is 10m, the extension produced in it is