Answer:
What goes up let's of a load and come back down
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
How can you throw a ball as hard as you can, to only have it come back to you, even if it doesn’t bounce off anything?
War fought with pieces on a board.
What tire doesn’t move when a car turns right?
People take me on walks and I run and have fun. What am I?