clear
//Given
hp = 10         // horse power of motor 
f = 30          // given 
shear_T = 55    //MPa - The maximum shearing in the shaft 
//caliculations

T = 119*hp/f            // N.m The torsion in the shaft 
//j/c=T/shear_T=K
k = T*(10**3)/shear_T //mm3
//c3=2K/3.14
c = ((2*k/3)**0.33)   //mm - The radius of the shaft 
diamter = 2*c           //mm - The diameter of the shaft
printf("\n The Diameter of the shaft used is %0.2f mm",diamter)
printf("\n For practical purposes, a 16-mm shaft would probably be selected")