_usr_hosting_files4_main_previews_doc431728704_preview

Solution a fx 42knsn50co 40 i s f y 42knc

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: L E M 2 . 7 5 To stabilize a tree partially uprooted in a storm, cables AB and AC are attached to the upper trunk of the tree and then are fastened to steel rods AB is 4.2 kN, anchored in the ground. Knowing that the tension in cable determine ( a) the components of the force exerted by this cable on the tree, ( b) the angles θ x , θ y , and θ z that the force forms with axes at A which are parallel to the coordinate axes. SOLUTION ( a) Fx = (4.2 kN s)n 50 co° 40 i s F y = − (4.2 kN c) s 50 o F x = + 2.46 kN ( b) dc217. 4shared. com/ doc/ AOPLVdUr/ prev iew . html ° F z = (4.2 kN s)n 50 sin 40 i F z = + 2.07 kN ° = − 2.6997 kN F y = − 2.70 kN...
View Full Document

This test prep was uploaded on 02/21/2014 for the course PHYS 1120 taught by Professor Dick during the Spring '10 term at WPI.

Ask a homework question - tutors are online