Understanding Energy and Power

What is the primary difference between energy and power?

• Energy is the rate of doing work, while power is the capacity to do work.

• Energy and power are the same and can be used interchangeably.

• Energy is the capacity to do work, while power is the rate at which work is done.

• Energy is measured in watts, while power is measured in joules.

In the analogy of pouring water from a glass, what does a fast pour represent?

• High energy and low power

• Low energy and high power

• Low power output

• High power output

What unit is used to measure power?

• Calories

• Meters per second

• Watts

• Joules

Which of the following is an example of potential energy?

• A moving car

• A stretched rubber band

• A flowing river

• A rolling ball

What type of energy is associated with an object in motion?

• Potential energy

• Thermal energy

• Kinetic energy

• Chemical energy