Question

if the kinetic and potential energy in a system are equal, then the potential energy increases. what happens as a result? total energy increases. stored energy decreases. energy of motion decreases. total energy decreases.

Explanation:

In a closed - system, the total mechanical energy is the sum of kinetic energy ($KE$) and potential energy ($PE$), i.e., $E = KE+PE$. According to the law of conservation of energy, the total energy of a closed - system remains constant. If $PE$ increases, to keep $E$ constant, $KE$ must decrease. Kinetic energy is the energy of motion.

Answer:

Energy of motion decreases.