In steel, the Young’s modulus and the strain at the breaking point are 2 × 1011 Nm-2 and 0.15 respectively. The stress at the breaking point for steel is therefore ………
A. 2 × 108 Nm-2
B. 3 × 1010 Nm-2
C. 3 × 1012Nm-2
D. None of these
Answer:B
In steel, the Young’s modulus and the strain at the breaking point are 2 × 1011 Nm-2 and 0.15 respectively. The stress at the breaking point for steel is therefore ………
A. 2 × 108 Nm-2 B. 3 × 1010 Nm-2 C. 3 × 1012Nm-2 D. None of these