Charlie and Jean are trying to haul the large sign to roof of the antique store. They are standing st the edge of roof (30 meters above ground) pulling on their end of rope which runs through eyelet attached to top edge center of the sign. Rope comes into and goes out of eyelet at the 40 degree angle. Jean is pulling with constant force of 105 newtons and Charlie is pulling with constant force of 110 newtons.
A) Determine magnitude of force pulling sign up from ground?
B) Find direction of force?
C) How much work is done raising sign up to roof?