Question

which statement describes mechanical energy?
○ the energy that is stored in chemical bonds
○ the energy that is associated with temperature
○ the sum of the kinetic energy and the potential energy of an object
○ the type of energy that is associated with electromagnetic radiation

Explanation:

• Analyze each option:
• "the energy that is stored in chemical bonds" describes chemical energy, not mechanical.
• "the energy that is associated with temperature" is thermal energy.
• "the sum of the kinetic energy and the potential energy of an object" matches the definition of mechanical energy (mechanical energy = kinetic + potential).
• "the type of energy that is associated with electromagnetic radiation" is electromagnetic energy.

Answer:

the sum of the kinetic energy and the potential energy of an object