9.14 | A sandwich board advertising sign is constructed as shown in Figure 9.34. The sign’s mass is

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A sandwich board advertising sign is constructed as shown in Figure 9.34. The sign’s mass is 8.00 kg. (a) Calculate the tension in the chain assuming no friction between the legs and the sidewalk. (b) What force is exerted by each side on the hinge?

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These are very helpful! Thanks for making these

Jacob-jtld
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What happened to the sin theta? It’s like you had all these r’s and threw the angle away. R perpendicular doesn’t make sense to me because it doesn’t actually solve for any angle and simply calls it perpendicular. Also, why is it perpendicular specifically????

turkic_maps
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If I could choose where my school levee tax went, I would tell them to send it to you haha

reidrayfield
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Between 3:20 and 3:30, do you mean to say "torque" instead of "tension"? eg. "Torque produced by F2" instead of "Tension produced by F2"

kaenenroque
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what if the two sides of the sign are not equal?

carolinegerber