6. The rectangular beam 'A ' has length l, width b and depth d. Another beam 'B' has the same width and depth but length is double that of 'A'. The elastic strength of beam 'B' will be __________ as compared to beam A.
10. According to Euler's column theory, the crippling load of a column is given by p = ?2EI/Cl2 In this equation, the value of C for a column with both ends hinged, is