Energy Conservation

At which point(s) on the roller coaster is the gravitational potential energy at its maximum?

• A
• B
• C
• D

At which point(s) on the roller coaster is the kinetic energy at its maximum?

• A
• B
• C
• D

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.

What happens when the ball goes from the highest position to the lowest position

• PE and KE increases and decreases together

• Impossible to know without knowing the mass of the object

• the PE decreases while KE increases

What happens to gravitational potential energy (GPE) as an object falls?

• It increases

• It remains constant

• It converts to kinetic energy (KE)

• It disappears

Kinetic Energy is based on an object's ___________.

• Postion

• Color

• Speed

• Mass

Potential Energy is the energy of an object's ____________.

• Color

• Speed

• Position

• Mass

The skater's potential energy before moving is:

• High

• Medium

• Low

• Zero

The skater's kinetic energy before moving is:

• High

• Medium

• Low

• Zero

What kind of energy is produced by friction?

• Potential

• Kinetic

• Thermal

• Sound