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//to find the couple supplied to shaft
//gravitaional force (g)=32.2 ft/s^2
clc
printf("\n")
//given
I=40//lb ft2
n=500//rpm
w=%pi*n/30//angular velocity
wp=2*%pi/5//angular velocity of precession
I1=I/32.2
T=I1*w*wp//gyroscopic couple
printf("the couple supplied to the shaft= %.2f lb ft\n",T)