A 6 m long simply- supported beam is prestressed as shown in the figure.
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1231725/original_9.11_9th.png)
The beam carries a uniformly distributed load of 6 kN/m over its entire span. If the effective flexural rigidity EI = 2
×104 kNm2 and the effective prestressing force is 200 kN, the net increase in length of the prestressing cable (in mm, up to two decimal places) is _______.
- 0.12