Newton 4 : Unit of force in the S. I. system; the force which causes a mass of 1 kilogramme (1 000 grammes) to gain speed at the rate of one metre per second in each second. 1 newton = 0. 225 pounds of force
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}