As the book falls the energy of position is changed to kinetic energy (energy of motion), and that energy is greatest as it hits the floor where the energy is lost in an inelastic collision in the form of heat and sound.
(the book; falls; ) (the energy of position; is changed; to kinetic energy; T:As the book falls) (energy; is; greatest) (it; hits; the floor where the energy is lost in an inelastic collision in the form of heat and sound) (the energy; is lost; L:in an inelastic collision in the form of heat and sound; L:the floor)
the book the energy of position energy it the energy
falls is changed is hits is lost
to kinetic energy T:As the book falls
greatest
the floor where the energy is lost in an inelastic collision in the form of heat and sound
L:in an inelastic collision in the form of heat and sound L:the floor