A metallic wire is under a stress of 2×10power7 N/m² . what force causes this stress in the wire if its ..?
A metallic wire is under a stress of 2×10^7 N/m² . what force causes this stress in the wire if its cross sectional area is 1.5mm²
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By σ(avg) = F/A
=>2 x 10^7 = F/[1.5 x 10^-6]
=>F = 30 Newton