The Total solution for NCERT class 6-12
Diameter = 6mm;Radius, r = 3 x 10-3 m;Maximum stress = 6.9 x 107 PaMaximum load on a rivet= Maximum stress x cross-sectional area= 6.9 x 107 x 22/7 (3 x 10-3)2 N =1952 NMaximum tension = 4 x 1951.7 N = 7.8 x 103 N.