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A steel cable with a radius of $1.5 \mathrm{~cm}$ supports a chairlift at a ski area. If the maximum stress is not to exceed $10^8$ $\mathrm{N} / \mathrm{m}^{-2}$, what is the maximum load the cable can support?
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Maximum load
$=$ Maximum Stress $\times$ Area of cross-section
$$
=10^8 \times \frac{22}{7}\left(1.5 \times 10^{-2}\right)^2=7.07 \times 10^4 \mathrm{~N}
$$
$=$ Maximum Stress $\times$ Area of cross-section
$$
=10^8 \times \frac{22}{7}\left(1.5 \times 10^{-2}\right)^2=7.07 \times 10^4 \mathrm{~N}
$$
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