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clc;
g=9.8; //g in m/sec square
h=2; //height in m
F=100; //force in Newton
s=15; //s in m
v=2; //velocity in m/sec
m=30; //mass in 30 kg
W=F*s; //calculating work in Joule
delKE=(1/2)*(m*v*v); //calculating change in KE in Joule
delPE=m*g*h; //calculating change in PE in Joule
Wf=W-delKE-delPE; //calculating work in Joule
Ff=Wf/s; //calculating frictional force in Newton
disp(Ff,"Frictional Force in Newton = "); //displaying result
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