1.

Two block of masses 1 kg 2 are connected by a metal wire going over a smooth pulley. The breaking stress of metal is 40/(3pi) xx10^(6)Mm^(-2) . What should be the minimum radius of wire used if it should not break?(g=10ms^-2)

Answer»

0.5mm
1mm
1.5mm
2mm

Answer :B


Discussion

No Comment Found