A force feedback method for presenting a force sense to an operator by jetting gas or liquid from a nozzle of jetting means according to a position or an orientation of a receiver is disclosed. In the force feedback method, the receiver is provided with an inclined side surface unit shaped to be inclined, outward from a center part of the receiver, with respect to an axis line of the receiver, and the force feedback method provides a force, to the receiver, including a component perpendicular to a jet direction of the gas or the liquid, by jetting the gas or the liquid to the inclined side surface unit.