What is the force in member DF? 'C. (include units with answer) What is the force in member CD? D. (include units with answer)

Extracted text: What is the force in member DF? 'C. (include units with answer) What is the force in member CD? D. (include units with answer)


Extracted text: P1 B D L ft 60° 60 30° 30° E L ft- -L ft- In the figure, L = 10, P1 = 750 lb, and P2 = 620 Ib. Compute the member forces listed below. In each case, tension is positive and compression is negative. [Hint: To find the distance from A to B, you could use the law of sines in triangle ABF. Or, you could first find the distance from C to B in the triangle BCE, which has a right angle at C.]