A uniform, 274-N rod that is 2.05m long carries a 225-N weight at its right end and an unknown weight W toward the left end.When W is placed 50.3cm from the left end of the rod, the system just balances horizontally when the fulcrum is located 78.0cm from the right end.
i tried using this formulae
w=lwo-2dwo-2d*225
i subbed in the values but my answer was wrong