A Steel Rod 55 Cm Long Has a Diameter of 30

question 42

Multiple Choice

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

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