Breaking stress for steel is 8×106N/m2. The density of steel is8×103kgm−3 and g=10ms−2 the maximum length of steel wire which will hang without breaking under its load is _____x 102m.

L=breakingstresspg=8×1068×103×10=100m=1×102m.

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Breaking stress for steel is $8 \times 10^{6} N / m^{2} .$ The density of steel is $8 \times 10^{3} k g m^{- 3}$ and $g = 10 m s^{- 2}$ the maximum length of steel wire which will hang without breaking under its load is _____x $10^{2} m .$

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Detailed Solution

$\begin{array}{l} L = \frac{b r e a k i n g s t r e s s}{p g} = \frac{8 \times 10^{6}}{8 \times 10^{3} \times 10} \\ = 100 m \\ = 1 \times 10^{2} m . \end{array}$

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