Select the examples of situations in which an object is starting to rotate even though the sum of the forces exerted on the object is zero. Check all that apply.
Two forces being exerted on the opposite ends of a meter stick; the forces have the same magnitude but are in opposite direction, the lines of action of the forces do not coincide.
A CD that has just been inserted into a CD player.
Two forces being exerted on the opposite ends of a meter stick; the forces have the same magnitude and direction, the lines of action of the forces do not coincide.
A boy turning the wheel of a parked bicycle.