Margie, who weighs 543 N, is standing on a bathroom scale that weighs 45 N. (a) With

Question:

Margie, who weighs 543 N, is standing on a bathroom scale that weighs 45 N.
(a) With what force does the scale push up on Margie?
(b) What is the interaction partner of that force?
(c) With what force does the Earth push up on the scale?
(d) Identify the interaction partner of that force.