sagging

"Don’t move that beam! It supports the whole platform."

"My friend told me there was something in the box, but I didn't know what it was yet. "

"After running the marathon, she collapsed from sheer exhaustion. "

"The horizontal of the classroom desk is sturdy enough to hold a large stack of books. "

"If you put that weight on the edge of the tray, it will unbalance it and dump all of the dishes on the floor."

"The loud arguments between the siblings unsettled the entire family. "

"The backpack was heavy, and it hurt her shoulders. "

"The student placed her textbooks on the bookshelf after class. "

"The library offered an extension on the due date for the overdue books. "

"A portion of your mortgage payment goes to reduce the principal, and the rest covers interest."

"The elasticity of the rubber band allows it to stretch and then return to its original shape when you let go. "

"The librarian helped my son find the book he needed for his school project. "