A steel rod with y = 2 . 0 × 10 11   N   m - 2 and α = 10 - 5   C ∘ - 1 of length 4   m and area of cross-section 10   cm 2 is heated from 0 ° C to 400 ° C without being allowed to extend. The tension produced in the rod is x × 10 5   N…

Question

A steel rod with y = 2 . 0 &#215; 10 11 &#160; N &#160; m - 2 and &#945; = 10 - 5 &#160; C &#8728; - 1 of length 4 &#160; m and area of cross-section 10 &#160; cm 2 is heated from 0 &#176; C to 400 &#176; C without being allowed to extend. The tension produced in the rod is x &#215; 10 5 &#160; N where the value of x is _ _ _ _ _ _ _ _ _ .

Aicharya · Accepted Answer

Thermal force F = A y &#945; &#916; T F = 10 &#215; 10 - 4 &#215; 2 &#215; 10 11 10 - 5 ( 400 ) F = 8 &#215; 10 5 &#160; N &#8658; x = 8

A steel rod with y = 2 . 0 × 10 11   N   m - 2 and α = 10 - 5   C ∘ - 1 of…

Solution

A steel rod with y = 2 . 0 &#215; 10 11 &#160; N &#160; m - 2 and &#945; = 10 - 5 &#160; C &#8728; - 1 of…

Solution

A steel rod with y = 2 . 0 × 10 11 N m - 2 and α = 10 - 5 C ∘ - 1 of…