Class 11PhysicsMechanical Properties of SolidsBasic of Elasticity, Stress and Strain relationship and Graphical analysis
EasyIf a load of $9 \, kg$ is suspended on a wire,the increase in length is $4.5 \, mm$. The force constant of the wire is
- A$0.49 \times 10^4 \, N/m$
- B$1.96 \times 10^4 \, N/m$
- C$4.9 \times 10^4 \, N/m$
- D$0.196 \times 10^4 \, N/m$
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Similar Questions
Two wires $A$ and $B$ are stretched by the same load. If the area of cross-section of wire $A$ is double that of wire $B$,then the stress on wire $B$ is
Match the details of Column-$II$ with the given information in Column-$I$ appropriately.
Column-$I$ Column-$II$ $(a)$ Stress is proportional to strain. $(i)$ Elastic limit $(b)$ When the load on the wire is removed, the body regains its original dimension. $(ii)$ Limit of proportionality $(iii)$ Plastic deformation
| Column-$I$ | Column-$II$ |
| $(a)$ Stress is proportional to strain. | $(i)$ Elastic limit |
| $(b)$ When the load on the wire is removed, the body regains its original dimension. | $(ii)$ Limit of proportionality |
| $(iii)$ Plastic deformation |
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View SolutionExplain Hooke's Law.
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View SolutionThe breaking stress of aluminium is $7.5 \times 10^7 \,N m^{-2}$. The greatest length of aluminium wire that can hang vertically without breaking is ......... $\times 10^3 \,m$ (Density of aluminium is $2.7 \times 10^3 \,kg m^{-3}$ and $g = 9.8 \,m s^{-2}$)
Medium
View SolutionWhich one of the following quantities does not have the unit of force per unit area?
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