Question

which one is correct​

Answer 1

Answer:

a) is the correct answer

Answer 2

Answer:

One newton-metre is the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long. The unit 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.

so answer is a