5 kg & 10 kg on right of the pivot, 15 kg on left of the pivot. Write down the position of the 5kg and the 10 kg masses, then calculate where the 15 kg must be placed for the beam to balance and try it. Note that you can only place the items in multiples or 0.25m. \Sigma \tau_{0}= \Sigma \tau_{\infty}== \Sigma \mathrm{T}=\Sigma \mathrm{T}_{0}+2 \mathrm{~T}_{\mathrm{oc}}=

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