Potential and Kinetic Energy

1. Which best describes potential energy?

• A. Energy in motion

• B. Energy as heat

• C. Stored energy

• D. Energy that us doing work

2. Which of the following are 2 types of Mechanical Energy (ME)?

• Kinetic and Potential Energy

• Kinetic Energy and Nuclear Energy

• Potential and Chemical

  Energy

• Thermal and Kinetic Energy

Which of the following happens to the energy of a coconut that falls freely?

• Loses potential and gains kinetic energy.

• Loses both potential and gains kinetic energy.

• Gains potential and loses kinetic energy.

• Gains bith potential and kinetic energy.

4. What is mechanical energy?

• A. Mechanical energy is found in machinery only

• B. Mechanical energy is usually measured at the atomic level.

• C. Mechanical energy is the sum of the chemical and thermal energu of an object.

• D. Mechanical energy is the sum of the kinetic and potential energy of an object.

5. Which example best represents kinetic energy?

• A. Stretched rubber band

• B. a glass of milk

• C. A computer

• D. A flying airplane

What would be the total mechanical energy of an object that has 50J potential energy and 50J kinetic energy when it falls downward?

• A. 50J

• B. 100 J

• C. 0 J

• D. 25J