A steel rod of length 1 m and cross-sectional area 10⁻⁴ m² is rigidly clamped at both ends at 20°C. If the temperature is raised to 120°C, what is the force exerted by the rod on the clamps? (Young’s modulus Y = 2 × 10¹¹ Pa, α = 1.2 × 10⁻⁵ /°C)
A steel rod of length 1 m and cross-sectional area 10⁻⁴ m² is rigidly clamped at both ends at 20°C. If the temperature is raised to 120°C, what is the force exerted by the rod on the clamps? (Young’s modulus Y = 2 × 10¹¹ Pa, α = 1.2 × 10⁻⁵ /°C)