//Solutions to Problems In applied mechanics //A N Gobby clear all; clc //weight of flywheel and the work done by frictional torque //initialisation of variables w=140//rev r=8//in g=12//in t=30//mile/h q=(1/4)//tonf I=0.99//slug ft^3 p=32.2//ft^2 //CALCULATIONS W=(I*p)/(r/g)^2//lbf T=(I*(2*%pi)^2)/(2*(2*%pi)*w)//lbf ft //RESULTS printf('The weight of flywheel=% f lbf',W) printf('the work done by frictional torque in stopping flywheel=% f lbf ft',T)