A handheld electrical power tool, comprising: a housing forming a first grip configured to engage one hand of an operator and a second grip configured to engage another hand of the operator; an electrical motor located in the housing that is configured to drive a tool; a foot member outside the housing that is configured to engage a work piece and support the housing and the electrical motor with reference to the work piece; a movable member operatively connected to the housing and to the foot member, the movable member being configured to move from a first position to a second position in response to a movement of the foot member toward the housing and to move from the second position to the first position in response to a movement of the foot member away from the housing; a vibrational dampener positioned proximate to the foot member and operatively connected to the movable member, characterized by the vibrational dampener including a variable rheological material; and a first accelerometer located on the foot member; a second accelerometer located in the housing; and a controller located in the housing and operatively connected to the vibrational dampener, the first accelerometer, and the second accelerometer, the controller being configured to: identify (508, 512, 516) a relative motion between the foot member and the housing with reference to signals generated by the first accelerometer and the second accelerometer; activate (520, 524) the electric current to increase a mechanical resistance of the variable rheological material in response to the foot member moving toward the housing to dampen vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor; and deactivate (520, 528) the electric current to decrease the mechanical resistance of the variable rheological material in response to the foot member moving away from the housing to dampen the vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor. a housing forming a first grip configured to engage one hand of an operator and a second grip configured to engage another hand of the operator; an electrical motor located in the housing that is configured to drive a tool; a foot member outside the housing that is configured to engage a work piece and support the housing and the electrical motor with reference to the work piece; a movable member operatively connected to the housing and to the foot member, the movable member being configured to move from a first position to a second position in response to a movement of the foot member toward the housing and to move from the second position to the first position in response to a movement of the foot member away from the housing; a vibrational dampener positioned proximate to the foot member and operatively connected to the movable member, characterized by the vibrational dampener including a variable rheological material; and a first accelerometer located on the foot member; a second accelerometer located in the housing; and a controller located in the housing and operatively connected to the vibrational dampener, the first accelerometer, and the second accelerometer, the controller being configured to: identify (508, 512, 516) a relative motion between the foot member and the housing with reference to signals generated by the first accelerometer and the second accelerometer; activate (520, 524) the electric current to increase a mechanical resistance of the variable rheological material in response to the foot member moving toward the housing to dampen vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor; and deactivate (520, 528) the electric current to decrease the mechanical resistance of the variable rheological material in response to the foot member moving away from the housing to dampen the vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor. identify (508, 512, 516) a relative motion between the foot member and the housing with reference to signals generated by the first accelerometer and the second accelerometer; activate (520, 524) the electric current to increase a mechanical resistance of the variable rheological material in response to the foot member moving toward the housing to dampen vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor; and deactivate (520, 528) the electric current to decrease the mechanical resistance of the variable rheological material in response to the foot member moving away from the housing to dampen the vibrational forces transmitted to the first grip and the second grip during operation of the electrical motor.