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Maximum torque of 300 Newton metres is delivered from rest, resulting in lively acceleration.
The SI unit for the torque of the couple is newton metre.
A newton metre is dimensionally equivalent to a joule.
Newton centimetre, a unit of torque or energy equal to 0.01 newton metres.
Like all torques, it is a rotational force which may be measured newton metres or pounds-feet.
Also, the unit newton metre is dimensionally equivalent to the joule, which is the unit of energy.
Joule, for example, may formally be written newton metre, or kilogram metre squared per second squared.
Official SI literature suggests using the unit newton metre (N m) or the unit joule per radian.
The unit newton metre is properly denoted N m or N m. This avoids ambiguity with mN, millinewtons.
For metric SI units power is watts, torque is newton metres and angular speed is radians per second (not rpm and not revolutions per second).
If torque is in newton metres and rotational speed in revolutions per second, the above equation gives power in newton metres per second or watts.
Electrical flux has SI units of volt metres (V m), or, equivalently, newton metres squared per coulomb (N m C).
One newton metre, sometimes hyphenated newton-metre, is equal to the torque resulting from a force of one newton applied perpendicularly to a moment arm which is one metre long.
Usage of N m is discouraged by the SI authority, since it can lead to confusion as to whether the quantity expressed in newton metres is a torque measurement, or a measurement of energy.
Energy and torque are entirely different concepts, so the practice of using different unit names (i.e., reserving newton metres for torque and using only joules for energy) helps avoid mistakes and misunderstandings.
A number of the units defined by the table have different names but are in fact dimensionally equivalent-i.e., they have the same expression in terms of the base units cm, g, s. (This is analogous to the distinction in SI between becquerel and Hz, or between newton metre and joule.)
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