Conservation of energy
What is the law of conservation of energy?
Energy cannot be created or destroyed, only transferred or transformed.
Which of the following statements is true about the conservation of energy?
Energy is conserved in all natural processes.
What happens to the amount of total energy in a closed system?
It remains constant.
Which of the following examples violates the law of conservation of energy?
A perpetual motion machine that generates unlimited energy.
What happens to the potential energy of an object as it falls?
It decreases.
Which form of energy is associated with the motion of an object?
Kinetic energy.
In an energy transformation from electrical energy to light energy, which law is being illustrated?
Law of conservation of energy.
Which type of energy is stored in the bonds between atoms and molecules?
Chemical energy.
What happens to the total energy of a system if there is an increase in thermal energy?
The total energy increases.
Which of the following is an example of potential energy?
A stretched rubber band.