TORSION

From the torsion equation, name the term represented by letter T

From the torsion equation, name the term represented by letter J

From the torsion equation, name the term represented by letter L

Formula J for solid shaft is ;  $J=\frac{\pi D^4}{32}$  , true or false

Formula J for hollow shaft is;  $J=\frac{\pi\left(D^4-d^4\right)}{12}$  

Formula J for hollow shaft is; $$J=\frac{\pi\left(D^4-d^4\right)}{12}$$  

From the torsion equation, name the term represented by letter R

From the torsion equation, name the term represented by letter  $\tau$  ;

From the torsion equation, name the term represented by letter  $\theta$