18. How does magnetic force affect the energy in a system of magnets when the magnets are released and begin to move? a The magnetic force increases the potential energy in the system. The magnetic force increases the potential energy in the system. b The magnetic force decreases the kinetic energy in the system. The magnetic force decreases the kinetic energy in the system. c The magnetic force changes kinetic energy into potential energy. The magnetic force changes kinetic energy into potential energy. d The magnetic force changes potential energy into kinetic energy.
