A squirrel standing on a branch rolls an acorn toward a hole in the tree. To determine how the potential energy of the acorn changes in relation to the earth, the position of what two objects must be considered?
squirrel GIFs | Tenor
a. The position of the acorn and the earth
b. The position of the acorn and the width of the hole in the tree
c. The height of the branch and the position of the acorn
d. The position of the squirrel on the branch and the earth