Answer: When a wood shelf of mass 6.6 kg is fastened
Chapter 12, Problem 12.61(choose chapter or problem)
When a wood shelf of mass 6.6 kg is fastened inside a slot ina vertical support as shown in Fig. 12-76, the support exertsa torque on the shelf, (a) Draw a free-body diagram for theshelf, assuming three vertical forces (two exerted by thesupport slotexplain why). Then calculate (b) the magnitudesof the three forces and (c) the torque exerted by thesupport (about the left end of the shelf).FIGURE 12-76 61.
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