NEETPhysicsMechanical Properties of Solids
What is the stress in the structural steel rod with a radius of 10 mm and a length of 1.0 m when a 100 kN force stretches it along its length?
Options
- A3.18 × 10 ⁹ ~N m ⁻²
- B3.18 × 10 ⁸ ~N m ⁻²
- C3.18 × 10 ¹⁰ ~N m ⁻²
- D3.18 × 10 ⁷ ~N m ⁻²
Correct answer
B. 3.18 × 10 ⁸ ~N m ⁻²
Step-by-step solution
Correct Option is : (B) 3.18 × 10 ⁸ ~N m ⁻²