question_answer

Two blocks of masses 5 kg and 10 kg are connected by a metal wire going over a smooth pulley as shown in fig. The breaking stress of the metal wire is\[2\times 109\text{ }N/{{m}^{2}}\]. If \[g=10\text{ }m/{{s}^{2}},\]then find the minimum radius (in mm) of the wire which will not break.

Answer:

0.103