Pls quick will mark brainliest.
Lance is working in a library using a trolley to carry books. As he stacks books from the trolley on shelves, it gets easier to push or pull the trolley. Which part of Newton's laws of motion explains the increased ease of moving the trolley?

A. Objects at rest tend to stay at rest.


B. Objects in motion tend to stay in motion.


C. Every action has an equal and opposite reaction.


D. Larger objects require greater amounts of force to move.