Newton metre is a unit of __________.
Atorque
BWork
CSubstance
DLength
Correct answer
A. torque
Explanation
The newton-metre (also newton metre or newton meter; 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.