Since N is equal and opposite to W, we [can] [cannot] say that Nand W comprise an
Chapter 0, Problem d(choose chapter or problem)
Since N is equal and opposite to W, we [can] [cannot] say that Nand W comprise an action-reaction pair. The reason is because action and reaction always [act on the same object] [act on different objects], and here we see Nand W [both acting on the apple] [acting on different objects].
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer