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A horizontal beam of length 6 m and mass 3.0 kg has a mass of 5.0 kg and width 0.8 m sitting at the end of the beam (see the following figure). What is the torque due to gravity (in N . m) on the beam-block system about the support at the wall? (Enter the magnitude.)
Wall support
0.8 m, 5.0 kg
6 m, 3.0 kg
N. m

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