$1.$ Barry Bonds, before his $$alleged$$ PED use, sets up in the batting box and holds his bat still over the plate for a moment $($intimidation at its finest$).$ Bonds holds the $0\mathrm{.}91$ kg bat in a horizontal position with only one hand.$$ The hand is $11$ cm from the knob end of the bat.$$ The bat is $89$ cm long and its center of gravity is $60$ cm from the knob end of the bat.$$

a$.$ How large is the vertical force exerted by the Barry$$s hand on the bat?

b$.$ How large is the torque exerted by his hand on the bat?