Saved Bookmarks
| 1. |
A uniform steel wire of cross-sectional area 0.20 mm2 is held fixed by clamping its two ends. Find the extra force exerted by each clamp on the wire if the wire is cooled from 100∘C to 0∘C. Young's modulus of steel = 2.0 × 1011 N/m2. Coefficient of linear expansion of steel = 1.2 × 10−5/∘C. |
|
Answer» A uniform steel wire of cross-sectional area 0.20 mm2 is held fixed by clamping its two ends. Find the extra force exerted by each clamp on the wire if the wire is cooled from 100∘C to 0∘C. Young's modulus of steel = 2.0 × 1011 N/m2. Coefficient of linear expansion of steel = 1.2 × 10−5/∘C. |
|