4) A conducting triangular loop carrying a current of 4 A is located close to an infinitely long, straight conductor with a current of 5 A. Calculate (a) The force on side 1 of the triangular loop (b) The force on side 2 of the triangular loop (c) The force on side 3 of the triangular loop (d) The total force on the loop. 5 A 4 A (1) 2 m 4 m