A seat of a roller coaster is subjected to the forces shown during a turn. The force at A...

A seat of a roller coaster is subjected to the forces shown during a turn. The force at A is vertical, the forces at B and C are parallel to the x and’z directions, respectively, and the forces at D and E lie in planes parallel to the yz. plane. Determine an equivalent force system at point O, where the seat is attached to the car.

Figure P4.92