Question

Two block of masses 1 kg and 4 kg are connected by a metal wire going over a no
pulley as shown in the figure. The breaking stress of the metal is. The minimum radius
of the wire so it will not break is
a) 1 x 10-5m
b) 2 x 10-5m
c) 3 x 10-5m
d) 4 x 10-5m​

Answer 1

Answer:Correct option   (b)  2 x 10-5m