Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Tension in support cable. Help

  1. Mar 12, 2007 #1
    Tension in support cable. Help!!

    A wrecking ball (weight = 4500 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3610 N. As the drawing shows, a support cable runs from the top of the boom to the tractor. The angle between the support cable and the horizontal is 32°, and the angle between the boom and the horizontal is 48°. Find (a) the tension in the support cable and (b) the magnitude of the force exerted on the lower end of the boom by the hinge at point P.



    I know I have to sum the torque about the hinge to solve for T, but I can't seem to get it right.

    I also do not know how to do part b.
     
  2. jcsd
  3. Mar 13, 2007 #2

    cristo

    User Avatar
    Staff Emeritus
    Science Advisor

    Could you perhaps show the diagram?
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook