One end of steel wire is fixed ti ceiling of an elevator moving up with an acceleration `2 m//s^(2)` amd a load of 10 kg hangs from other end. Area of cross- section of the wire is `2cm^(2)` .The longitudinal strain in the wire is `(g= 10 m//s^(2) and Y= 2 xx 10^(11)Nm^(2))`.

One end of a steel wire is fixed to celling of an elevator moving up load of 10 g hange from other end. Area of cross-section of the wire Is 2 cm^(2) .Find the longitudinal strain in the wire (Take g = 10m//s^(2) and Y= 2 xx 10^(11) N//m^(2))

As shown in figure, masses of 2 kg and 4kg are tied to two ends of a wire passed over a pulley. Cross-sectional area of wire is 2 cm^(2). Calculate longitudinal strain produced in wire. (g = 10 ms ^(-2) Y= 2 xx 10 ^(11) Pa

One end of a metal wire is fixed to a ceiling and a load of 2 kg hangs from the other end. A similar wire is attached to the bottom of the load and another load of 1 kg hangs from this lower wire. Find the longitudinal strain in both wires. Area of cross section of each wire is 0.005 cm^2 and Young modulus of the metal is 2.0xx10^11 Nm^-2. Take g=10ms^-2

One end of a metal wire is fixed to a ceiling and a load of 2 kg hangs from the other end. A similar wire is attached to the bottom of the load and another load of 1 kg hangs from this lower wire. Find the longitudinal strain in both wires. Area of cross section of each wire is 0.005 cm^2 and Young modulus of the metal is 2.0xx10^11 Nm^-2. Take g=10ms^-2

The graph shows the extension of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross sectional area of the wire is 1mm^(2) , then the young's modulus of the material of the wire is (a). 2xx10^(11)Nm^(-2) (b). 2xx10^(10)Nm^(-2) (c). (1)/(2)xx10^(11)Nm^(-2) (d). none of these

The graph shows the extension of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross sectional area of the wire is 1mm^(2) , then the young's modulus of the material of the wire is (a). 2xx10^(11)Nm^(-2) (b). 2xx10^(10)Nm^(-2) (c). (1)/(2)xx10^(11)Nm^(-2) (d). none of these

The graph shows the extension of a wire of length 1m suspended from the top of a roof at one end and with a load W connected to the other end. If the cross sectional area of the wire is 1mm^(2) , then the young's modulus of the material of the wire is (a). 2xx10^(11)Nm^(-2) (b). 2xx10^(10)Nm^(-2) (c). (1)/(2)xx10^(11)Nm^(-2) (d). none of these

One end of a metal wire is fixed to a ceiling and a load of 2 kg hangs from the other end. A similar wire is attached to the bottomof the lod and another road of 1 kg hangs from this lower wire. Find the longitudial strain in both wires. Area of cross section of each wire is 0.005 cm^2 and Young modulus of the metasl is 2.0xx10^11 Nm^-2. Take g=10ms^-2

One end of a steel wire of radius .r. is fixed to a ceiling and a load of 3 kg is attached to the free end of the wire. Another wire made of copper of radius .2r. is attached to the bottom of 3 kg load and a 2 kg load is attached to the free end of the copper wire. The ratio of longitudinal strains produced in copper and steel wires is (Young modulus of steel =20xx10^(10)Nm^(-2) ) (Young modulus of copper =12xx10^(10)Nm^(-2) )