Test Academy | An aluminum rod has a breaking strain of 0.2%. The minimum cross sectional area of the rod, in m² , in order to support a load of 10⁴ N is (Y = 7 x 10⁹ N / m²) 1.4 x 10⁻⁴, 7.1 x 10⁻⁴, 1.4 x 10⁻³, 7.1 x 10⁻⁵

Question

An aluminum rod has a breaking strain of 0.2%. The minimum cross sectional area of the rod, in m² , in order to support a load of 10⁴ N is (Y = 7 x 10⁹ N / m²)

Options :

1.4 x 10⁻⁴
7.1 x 10⁻⁴
1.4 x 10⁻³
7.1 x 10⁻⁵

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