| Question | |
C | 10 |
I | |
Question Suppose the ends of a 20-m-long steel beam are rigidly clamped at 0°C to prevent expansion. The rail has a cross-sectional area of 30 cm2. What force does the beam exert when it is heated to 40°C? (αsteel = 1.1*10^-5/C°, γsteel = 2.0*10^11 N/m2). | |
Answer 2.6*10^5 N | |
| User | Added | Note | e | d |
|---|---|---|---|---|
| KillGorack | 2023-07-04 12:15:20 | Was a hard row to hoe with this old brain |