Question

A heavy wire is suspended from a roof but no weight is attached to its lower end. is it under stress? justify your answer

Answer 1

A heavy wire is suspended from a roof but no weight is attached to its lower end. It will be under stress due to its own weight, as it is applied in the downward direction which creates stress in it. 

Answer 2

Explanation:

as all forces have the equal magnitude and are in equilibrium than the angle between them is= 360 /3 = 120

if the triangle is formed by these forces than it will be equal triangle with all sides equal. the name of the triangle will be equilateral triangle