Kinetic and Potential Energy

Front

What is energy?

Back

The ability to make something move or change.

Front

Energy due to motion is ____________ energy.

Back

Kinetic

Front

What is potential energy?

Back

The energy an object has due to its position or condition.

Front

Which of the following is an example of kinetic energy? a. a car parked on a steep hill, b. a tennis ball rolling across the court, c. a picture hanging on the wall, d. a piece of coal before it's burned

Back

b. a tennis ball rolling across the court

Front

What happens to the potential energy of a rock as it falls off the side of a cliff?

Back

The potential energy decreases as the kinetic energy increases.

Front

What is the formula for kinetic energy?

Back

KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the formula for potential energy?

Back

PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What type of energy is stored in a compressed spring?

Back

Potential energy.

Front

What type of energy does a moving car have?

Back

Kinetic energy.

Front

What happens to energy during a roller coaster ride?

Back

Energy transforms between potential and kinetic energy.