Question: An 80-N weight is supported by a cable attached to a strut hinged at point A as in Figure. The strut is supported by a

An 80-N weight is supported by a cable attached to a strut hinged at point A as in Figure. The strut is supported by a second cable under tension T₂. The mass of the strut is negligible.

(a) What are the three forces acting on the strut?

(b) Show that the vertical component of the tension T₂ must equal 80 N.

90 30 80 N

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