Two ropes are tied to a steel ring, and a student holds the free end of each rope. The student then pull on the ropes in a tug of war. If the forces exerted by the students are unbalanced, what happens to the ring

if they have a finite resultant

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.