for b) alpha=50
Solukion:- Given that theThe kinetic diagram is{:[Aa^(100 xx9g)B],[mun omega^(2)=100 xx1xx4^(2)],[=1600N". "]:}a_(a)= accelaration of point a.Equation of motion{:[V_(A)=pi omega],[V_(A)=4m//s],[WAB=O" ( S nomation is taking place). "],[Ay+By=981N],[sum M=0],[rarr" Ay "xx2+By xx4=0],[Ay=2By],[:.3By=981],[By=32-7N quad&Ay=654 N]:} P.S: If you are having any doubt, please comment here, I will ... See the full answer