<P> The newton metre (also newton - metre, symbol N m or N m) is a unit of torque (also called "moment") in the SI system . One newton metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long . </P> <P> It is also used less commonly as a unit of work, or energy, in which case it is equivalent to the more common and standard SI unit of energy, the joule . In this usage the metre term represents the distance travelled or displacement in the direction of the force, and not the perpendicular distance from a fulcrum as it does when used to express torque . This usage is generally discouraged, since it can lead to confusion as to whether a given quantity expressed in newton metres is a torque or a quantity of energy . However, since torque represents energy transferred or expended per angle of revolution, one newton metre of torque is equivalent to one joule per radian . </P> <P> Newton metres and joules are dimensionally equivalent in the sense that they have the same expression in SI base units: </P>

10 newton metres is equal to how many joules
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