They incorrectly said "we also had a twenty meter pool" instead of have
The first condition of equilibrium states that for a body to be in equilibrium, the vector sum of all the forces acting on that body must be zero<span>. Hope that helps you.</span>
Some people are saying it's C-Deeply personal. Although, to be honest, ALL literature is A because it depends on how you interpret it. That's why we have literature classes and 10 people can write 10 different opinions on what the literature is saying. Since contemporary simply means the writing written after WWII era, it can range so much, that saying it's deeply personal, in my opinion, is too broad. So I would say A, unless you have something in your reading/lessons that say otherwise, or gives a specific answer.