001/** 002 * Unit-API - Units of Measurement API for Java 003 * Copyright (c) 2014 Jean-Marie Dautelle, Werner Keil, V2COM 004 * All rights reserved. 005 * 006 * See LICENSE.txt for details. 007 */ 008package javax.measure.quantity; 009 010import javax.measure.Quantity; 011 012 013/** 014 * Moment of a force. 015 * The system unit for this quantity is "N.m" (Newton-Metre). 016 * 017 * <p><b>Note:</b> The Newton-metre ("N.m") is also a way of expressing a Joule 018 * (unit of energy). However, torque is not energy. So, to avoid confusion, we 019 * will use the units "N.m" for torque and not "J". This distinction occurs due 020 * to the scalar nature of energy and the vector nature of torque.</p> 021 * 022 * @author <a href="mailto:[email protected]">Jean-Marie Dautelle</a> 023 * @author <a href="mailto:[email protected]">Werner Keil</a> 024 * @version 1.2.1 025 * 026 * @see Force 027 * @see Length 028 */ 029public interface Torque extends Quantity<Torque> { 030}