sthène

(mechanics) The force which, when applied to a body whose mass is 1 metric ton, results in an acceleration of 1 meter per second per second; equal to 1000 newtons. Formerly known as funal.

force. Symbol sn. Metric-m.t.s. That which produces an acceleration of 1 m·s^-2 when applied to a mass of 1 t, = 1 kN. Originally called the funal when proposed by the British Association in 1876, it was renamed by 1914. It was authorized in France by a statute of 1919 as part of the m.t.s. system.