A rectangular coil, with corners labeled ABCD, of length L and width w is placed in a magnetic field B as shown in Figure 27-6. If there is a current I flowing through this coil, what is the force acting on section AB of this coil?
A) ILB sinA?¸
B) ILB cos A?¸
C) ILB/2
D) ILB
E) 0 N