Surface area and Mass
When a leaf falls, it is being accelerated by gravity to the ground but opposed by air resistance also the drag. The net force on a leaf will therefore be calculated by subtracting its weight of the leaf from its drag.
Air exerts a force known as air resistance. When an object is travelling through the air, the force works in the opposite direction.
Learn more about Air resistance here:
https://brainly.com/question/27965545
#SPJ4