The 84-mm-diameter shaft is made of steel.
(Figure 1)
Part A
If it is subjected to the triangular distributed load, determine the magnitude of the angle of twist of end A with respect to C. Take $G = 75 \, GPa$
Express your answer in degrees to three significant figures.
$\phi_{A/C} = $
400 mm
600 mm
15 kN$\cdot$m/m