A steel rod 55 cm long has a diameter of 30 cm. The compressive strength (the maximum stress it can support without breaking) of this steel is 500 × 106 N/m2. What is the compression force that would break the rod?
A) 3.5 × 107 N
B) 2.4 × 107 N
C) 1.4 × 108 N
D) 4.7 × 108 N
E) 8.9 × 108 N
Answer: A
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