posted by catherine on .
a 650 lb box is hanging by means of two ropes attached to a ceiling as shown by diagram below find the tension on the ropes
sorry cant answer this question the picture does not show
You need to know the angles that the ropes make with the vertical. Call the angles A1 and A2 and the rope tension forces F1 and F2. If A1 is positive, A2 is negative. This keeps it from moving horizontally
F1 + F2 = Weight = 650 lb
F1 sin A1 + F2 sin A2 = 0
Solve for F1 and F2.