Work / Energy

Front

What happens to the potential energy of a roller coaster cart as it falls towards the ground?

Back

The potential energy decreases.

Front

What is the definition of ENERGY?

Back

Energy is the ability to do work.

Front

What is an example of sound energy?

Back

A guitar string being plucked.

Front

What must be true for work to be done?

Back

Force acts in the same direction as the distance traveled.

Front

Where does a pendulum have the least amount of potential energy?

Back

At the lowest point of its swing.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.

Front

What is kinetic energy?

Back

Kinetic energy is the energy of an object in motion.

Front

How does potential energy change when an object is lifted?

Back

Potential energy increases as the object is lifted higher.

Front

What is the law of conservation of energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What is an example of mechanical energy?

Back

A moving car has mechanical energy.