PHYSICS: Boxes and block, all slipping and sliding… Is it starting to make a little more sense? Here’s an old review of of some of the homework problems from this chapter – #36, 40, and 41 (I think). Below the lesson is an old help session. It has #46 – the “girl on a sled coasts down a hill” problem.
You’re getting it…keep sledding and watch out for net forces!