Breaking Stress and Breaking Strain
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369668 A stress of \(6 \times {10^6}N{m^{ - 2}}\) required for breaking a material. The density \(\rho\) of the material is \(3 \times {10^3}\;kg\;{m^{ - 3}}.\) If the wire is to break under its own weight, the length of the wire made of that material should be (take, \(g = 10\;m{s^{ - 2}}\) )

1 \(20\;m\)
2 \(200\;m\)
3 \(100\;m\)
4 \(2000\;m\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369669 A ring of radius \(\mathrm{R}\) made of lead wire breaking strength \(\sigma\) and density \(\rho\), roatated about stationary vertical axis passing through its centre and perpendicular to the plane of the ring. Calculate the number of rotations per second at which the ring ruptures

1 \(n=\dfrac{1}{\pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
2 \(n=\dfrac{1}{2 \pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
3 \(n=\dfrac{1}{R} \sqrt{\dfrac{\sigma}{\rho}}\)
4 \(n=\dfrac{1}{2 R} \sqrt{\dfrac{\sigma}{\rho}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369670 The elastic limit of brass is \(3.5 \times {10^{10}}\;N{\rm{/}}{m^2}\). Find the maximum load that can be applied to a brass wire of \(0.75\;mm\) diameter without exceeding the elastic limit.

1 \(4.12 \times {10^4}\;N\)
2 \(5.15 \times {10^4}\;N\)
3 \(0.55 \times {10^4}\;N\)
4 \(1.55 \times {10^4}\;N\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369671 A steel wire of cross-sectional area \(3 \times {10^{ - 6}}\;\,{m^2}\) can withstand a maximum strain of \({10^{ - 3}}\). Young's modulus of steel is \(2 \times {10^{11}}\;\,N/{m^2}.\) The maximum mass the wire can hold is (Take \(g = 10\;\,m/{s^2}\) )

1 \(60\,\;kg\)
2 \(40\;\,{\text{kg}}\)
3 \(100{\mkern 1mu} \;kg\)
4 \(80\,\;kg\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369668 A stress of \(6 \times {10^6}N{m^{ - 2}}\) required for breaking a material. The density \(\rho\) of the material is \(3 \times {10^3}\;kg\;{m^{ - 3}}.\) If the wire is to break under its own weight, the length of the wire made of that material should be (take, \(g = 10\;m{s^{ - 2}}\) )

1 \(20\;m\)
2 \(200\;m\)
3 \(100\;m\)
4 \(2000\;m\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369669 A ring of radius \(\mathrm{R}\) made of lead wire breaking strength \(\sigma\) and density \(\rho\), roatated about stationary vertical axis passing through its centre and perpendicular to the plane of the ring. Calculate the number of rotations per second at which the ring ruptures

1 \(n=\dfrac{1}{\pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
2 \(n=\dfrac{1}{2 \pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
3 \(n=\dfrac{1}{R} \sqrt{\dfrac{\sigma}{\rho}}\)
4 \(n=\dfrac{1}{2 R} \sqrt{\dfrac{\sigma}{\rho}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369670 The elastic limit of brass is \(3.5 \times {10^{10}}\;N{\rm{/}}{m^2}\). Find the maximum load that can be applied to a brass wire of \(0.75\;mm\) diameter without exceeding the elastic limit.

1 \(4.12 \times {10^4}\;N\)
2 \(5.15 \times {10^4}\;N\)
3 \(0.55 \times {10^4}\;N\)
4 \(1.55 \times {10^4}\;N\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369671 A steel wire of cross-sectional area \(3 \times {10^{ - 6}}\;\,{m^2}\) can withstand a maximum strain of \({10^{ - 3}}\). Young's modulus of steel is \(2 \times {10^{11}}\;\,N/{m^2}.\) The maximum mass the wire can hold is (Take \(g = 10\;\,m/{s^2}\) )

1 \(60\,\;kg\)
2 \(40\;\,{\text{kg}}\)
3 \(100{\mkern 1mu} \;kg\)
4 \(80\,\;kg\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369668 A stress of \(6 \times {10^6}N{m^{ - 2}}\) required for breaking a material. The density \(\rho\) of the material is \(3 \times {10^3}\;kg\;{m^{ - 3}}.\) If the wire is to break under its own weight, the length of the wire made of that material should be (take, \(g = 10\;m{s^{ - 2}}\) )

1 \(20\;m\)
2 \(200\;m\)
3 \(100\;m\)
4 \(2000\;m\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369669 A ring of radius \(\mathrm{R}\) made of lead wire breaking strength \(\sigma\) and density \(\rho\), roatated about stationary vertical axis passing through its centre and perpendicular to the plane of the ring. Calculate the number of rotations per second at which the ring ruptures

1 \(n=\dfrac{1}{\pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
2 \(n=\dfrac{1}{2 \pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
3 \(n=\dfrac{1}{R} \sqrt{\dfrac{\sigma}{\rho}}\)
4 \(n=\dfrac{1}{2 R} \sqrt{\dfrac{\sigma}{\rho}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369670 The elastic limit of brass is \(3.5 \times {10^{10}}\;N{\rm{/}}{m^2}\). Find the maximum load that can be applied to a brass wire of \(0.75\;mm\) diameter without exceeding the elastic limit.

1 \(4.12 \times {10^4}\;N\)
2 \(5.15 \times {10^4}\;N\)
3 \(0.55 \times {10^4}\;N\)
4 \(1.55 \times {10^4}\;N\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369671 A steel wire of cross-sectional area \(3 \times {10^{ - 6}}\;\,{m^2}\) can withstand a maximum strain of \({10^{ - 3}}\). Young's modulus of steel is \(2 \times {10^{11}}\;\,N/{m^2}.\) The maximum mass the wire can hold is (Take \(g = 10\;\,m/{s^2}\) )

1 \(60\,\;kg\)
2 \(40\;\,{\text{kg}}\)
3 \(100{\mkern 1mu} \;kg\)
4 \(80\,\;kg\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369668 A stress of \(6 \times {10^6}N{m^{ - 2}}\) required for breaking a material. The density \(\rho\) of the material is \(3 \times {10^3}\;kg\;{m^{ - 3}}.\) If the wire is to break under its own weight, the length of the wire made of that material should be (take, \(g = 10\;m{s^{ - 2}}\) )

1 \(20\;m\)
2 \(200\;m\)
3 \(100\;m\)
4 \(2000\;m\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369669 A ring of radius \(\mathrm{R}\) made of lead wire breaking strength \(\sigma\) and density \(\rho\), roatated about stationary vertical axis passing through its centre and perpendicular to the plane of the ring. Calculate the number of rotations per second at which the ring ruptures

1 \(n=\dfrac{1}{\pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
2 \(n=\dfrac{1}{2 \pi R} \sqrt{\dfrac{\sigma}{\rho}}\)
3 \(n=\dfrac{1}{R} \sqrt{\dfrac{\sigma}{\rho}}\)
4 \(n=\dfrac{1}{2 R} \sqrt{\dfrac{\sigma}{\rho}}\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369670 The elastic limit of brass is \(3.5 \times {10^{10}}\;N{\rm{/}}{m^2}\). Find the maximum load that can be applied to a brass wire of \(0.75\;mm\) diameter without exceeding the elastic limit.

1 \(4.12 \times {10^4}\;N\)
2 \(5.15 \times {10^4}\;N\)
3 \(0.55 \times {10^4}\;N\)
4 \(1.55 \times {10^4}\;N\)
PHXI09:MECHANICAL PROPERTIES OF SOLIDS

369671 A steel wire of cross-sectional area \(3 \times {10^{ - 6}}\;\,{m^2}\) can withstand a maximum strain of \({10^{ - 3}}\). Young's modulus of steel is \(2 \times {10^{11}}\;\,N/{m^2}.\) The maximum mass the wire can hold is (Take \(g = 10\;\,m/{s^2}\) )

1 \(60\,\;kg\)
2 \(40\;\,{\text{kg}}\)
3 \(100{\mkern 1mu} \;kg\)
4 \(80\,\;kg\)