3NA 7 - Conservation of Energy

What does the Law of Conservation of Energy state?

• Energy cannot be created or destroyed
• Nothing can exchange energy
• Energy will increase over time.
• Energy will decrease over time.

Is energy conserved?

• Always
• Often
• Never
• Sometimes

Energy of motion is which type of energy?

• Potential
• Kinetic
• Sound
• Gravitational

What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

What kind of energy does an object possess when it's resting on top of the hill?

• Potential Energy

• Chemical Energy

• Kinetic Energy

• All of the above

On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

What force ultimately slows the roller coaster to a stop?

• Applied
• Normal
• Friction
• Magnetic

What is the GPE at the top?

• 50 J

• 25 J

• 0 J

• 100 J

What is the KE half way down?

• 50 J

• 25 J

• 0 J

• 100 J

What is the Total Energy at the bottom?

• 50 J

• 25 J

• 0 J

• 100 J