A rigidbar of mass 15 kg is supported symmetrically by three wires each 2 m long. iron

cbse
propertiesofsolids

#1

A rigidbar of mass 15 kg is supported symmetrically by three wires each 2 m long. Those at each end are of copper and the middle one is of iron. Determine the ratios of their diameters if each is to have the same tension. Given Young modulus of copper and iron


#2