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Step 1Given radius of gate = 3mLength of gate = 3m Step 2horizoraal fore on dam:F_(x)=rho gf bar(x)s= densing of water =1020kg//m^(3){:[A=" Asea of prosection "=3xx3=9m^(2)],[g=9.81m//sec^(2)],[ bar(x)=(3)/(2)=1.5m],[:.F_(x)=1000 xx9.81 xx9xx1.5=132435N]:}vertical fure on dam?{:[Fy=a xx A xx L],[omega rarr" specitic wt of axdes "],[A rarr" Area of curved ... See the full answer