(a) Find the position of wire 3, relative to wire 1.
(b) Find the magnitude and direction of the current in wire 3.
A 17.8 kg flood light in a park is supported at the end of a horizontal beam of negligible mass that is hinged to a pole. A cable connected to the beam helps to support the light. (In thefigure,
(A) 320 N
(B) 250 N