Btu
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.
One BTU is the energy required to heat 1 avoirdupois pound of liquid water by 1 degree Fahrenheit, at a pressure of one atmosphere.
One newton metre is the distance travelled in the direction of applied force, (ie not the perpendicular distance from a fulcrum which is the NM when used to express torque)