10 the force is applied as the force is applied further from the center longitudinal axis b b of the bridge 10 the flexing force decreases and the torsional force increases as the force is applied closer to the center longitudinal axis b b of the bridge 10 the flexing force increases and the torsional force decrease the effect of each of these resultant forces e g the flexing and torsional forces on the sensing element 40 varies depending on the relative magnitude of each resultant force therefore the affect that an applied force will have on the bridge 10 varies depending on the location of the applied force the more that the resultant forces vary e g by varying the location of the force applied to the bridge 10 the more difficult it is to determine the magnitude of the applied force since the sensing bump 30 is preferably narrower than the bridge 10 and centered on the center longitudinal axis b b of the bridge 10 a force that comes into contact with the sensing bump 30 is more likely to be applied closer to the center longitudinal axis b b of the bridge 10 than if the force were applied directly to the bridge 10 therefore the applied force will more likely result in a larger flexing force and a smaller torsional force which optimizes the deflection of the bridge 10 and helps minimize the fluctuation of the sensing element 40 to the applied force the optimization.