Energy Review 1

Describe the energy change that occurs when a marble is rolled down a hill. Choose the best answer.

• Gravitational Potential Energy is converted to Kinetic Energy

• Elastic Potential Energy is converted to Kinetic Energy

• Gravitational Potential Energy is converted to Friction

• Kinetic Energy is converted to Gravitational Potential Energy

If positioned correctly, two magnets will move apart when held close together and released. What type of potential energy do the magnets contain that enables them to move?

• Chemical Potential Energy

• Elastic Potential Energy

• Electrical Potential Energy

• Gravitational Potential Energy

How much energy is stored in a 0.5 kg spring with a spring constant of 12 N/m that is compressed 0.2 meters?

• 1.2 Joules

• 0.98 Joules

• 0.24 Joules

• 60 Joules

Which of the following violates the Law of Conservation of Energy?

• A marble converts Gravitational Potential Energy to Kinetic Energy when rolling down a hill

• A marble converts Kinetic Energy to Gravitational Potential Energy when thrown into the air.

• A marble at the top of a hill has a Gravitational Potential Energy of 12 Joules. At the bottom of the hill, the marble has created 14 Joules of Kinetic Energy.

• A marble at the top of a hill has a Gravitational Potential Energy of 12 Joules. At the bottom of the hill, the marble has created 10 Joules of Kinetic Energy.

Which type of energy is stored in a battery?

• Elastic Potential Energy

• Chemical Potential Energy

• Electrical Potential Energy

• Gravitational Potential Energy

How much work is required to push a box 3 meters using a force of 12 Newtons.

• 353 Joules

• 12 Joules

• 36 Joules

• Answer is not listed