Four forces act on an object, given by

A=49.3N east,

B=40.3N north,

C=70.7N west,

and

D=86.7N south.

(Assume east and north are directed along the+x-axisand+y-axis,respectively.)

(a)

What is the magnitude of the net force (in N) on the object?

b) What is the direction of the force? (Enter your answer in degrees counterclockwise from the +x-axis.)