The arrow in the photo represents a force. cat hanging from a branch, with arrow pointing directly downward from the point of contact of the cat's paw with the branch which force is equal but opposite to the one shown?
a. the force that the kitten applies to earth
b. the force that the branch applies to the kitten
c. the normal force that the air applies to the kitten
d. the force of gravity that acts on the kitten
