Pick and copy all the incorrect options for the following question:

A squirrel dropped an acorn from a branch of an oak tree. Which of these will change as the acorn falls from the tree to the ground?

Options:
- the mass of the acorn
- the force on the acorn
- the density of the acorn
- the velocity of the acorn



- the mass of the acorn



- the force on the acorn



- the density of the acorn



