- #1

- 28

- 1

## Homework Statement

internal diameter of a hollow shaft is two third of its external diameter .if it is melted and new solid shaft is made.what would happen to the shaft resistance of torsion. in percentage?

## Homework Equations

as i know T/j=G*angle of twist/length.

torsional resistance=G*teta(twist)

## The Attempt at a Solution

i have no idea . any help would be appeciable .thanks[/B]