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\begin{aligned} F_{L} &=m g-F_{R} \\ &=m g-32.7 \mathrm{~N} \\ &=(5.00 \mathrm{~kg})\left(9.80 \mathrm{~m} / \mathrm{s}^{2}\right)-32.7 \mathrm{~N} \\ &=16.3 \mathrm{~N}.\end{aligned}