Force F acts on the frame such that its component acting along member AB is 650 lb,
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Force F acts on the frame such that its component acting along member AB is 650 lb, directed from B towards A. Determine the required angle ϕ(0° ≤ ϕ ≤ 45°) and the component acting along member BC. Set F = 250 and θ = 30°.
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