What is a force sensor?

Select one alternative:

none of the above is accurate

force sensor is an instrument that transforms physical quantity like force into an electrical

signal (transforms change of force into a change of voltage)

force sensor is an instrument that transforms physical quantity like force into an amplified

mechanical energy (in a form of applied force)

force sensor is an instrument that transforms physical quantity like force into an

mechanical pressure (transforms change of force into a change of pressure)