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clear
//
Wa=1000.0 //weight of block a
Wb=2000.0 //weight of block b
uab=1.0/4.0 //coefficient of friction between A and B
ubg=1.0/3.0 //coefficient of friction between g and B
//When P is horizontal
//considering equilibrium of block A
N1=Wa //Normal Reaction on block A from block B
F1=uab*N1 //limiting Friction between A and B
T=F1 //tension
//considering equilibrium of block B
N2=N1+ Wb //Normal Reaction on block B from G
F2=ubg*N2 //limiting Friction between A and g
P=F1+F2
printf("\n P= %0.3f N",P)
//When P is inclined at angle o
o=30.0*3.14/180.0
//considering equilibrium of block A
N1=Wa //Normal Reaction on block A from block B
F1=uab*N1 //limiting Friction between A and B
T=F1 //tension
//considering equilibrium of block B
//from
//N2+Psin30=N1+Wb
//Pcos30=F1+F2
//F1=ubg*N2
N2=(N1+Wb-F1*tan(o))/(1+ubg*tan(o))
P=(N1+Wb-N2)/sin(o)
printf("\n P= %0.3f N",P)
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