Complete these sentences describing the energy of a roller coaster.
A roller coaster car is traveling on a track without any friction or added energy. The people, car, and track of the roller coaster can be analyzed as a single . The total amount of in the roller coaster system is the same at all times. Any increase in the car’s kinetic energy equals a decrease in the system’s .
THE LINES ARE SUPPOSE TO BE DROP DOWN BOXES
1st line choices:
energy source, machine, structure, system
2nd line choices:
energy, force, kinetic energy, potential energy
3rd line choices:
force, height, kinetic energy, potential energy

PLEASE HELP ME ITS DUE TODAY