Your Answer would be A I believe.
Answer:
Newton per square meter (N/m2)
Explanation:
Required
Unit of ultimate tensile strength
Ultimate tensile strength (U) is calculated using:

The units of force is N (Newton) and the unit of Area is m^2
So, we have:

or

<em>Hence: (c) is correct</em>
I don’t know what you mean by that
Answer:
серйозних порушень точності,
∵∴⊕∴∵