Help pls just do number 4.
Will give brainliest

Explanation:

they put the rope on top and part on the back where it pulls the most and its got extra security on the top

There is 0 net force acting on the blocks (that are at rest) from all directions except the top.

Explanation:

This is because nothing is moving; no forces are occurring for the blocks to move, which is why the blocks aren't moving. However, there is a force acting on the blocks at rest, and that is gravity. Gravity is keeping the blocks to the floor.

answer; endometriosis;