Question

Q.6 AY
0.2 Two blocks of masses 1 kg and 2 kg are
connected by a metal wire going over a smooth
pulley. The breaking stress of metal is
4 x
a fd
ma
(1)
(3
40
x 106 Nm-2. What should be the minimum
3T
radius of wire used if it should not break?
(g= 10 ms-2)
(1) 0.5 mm
(2) 1 mm
(3) 1.5 mm
(4)2 mm
Q.7
TI
m​

Answer 1

Answer:

used this formula and solve