reading Understanding Work, Energy, and Power

What is kinetic energy?

• Energy of motion

• Stored energy based on position

• Energy related to temperature

• Energy stored in chemical bonds

Which type of energy is stored in the bonds of molecules?

• Chemical energy

• Kinetic energy

• Thermal energy

• Potential energy

What is the relationship between work and energy?

• Work is done when a force moves an object over a distance, transferring energy.

• Work is the energy stored in an object based on its position.

• Work is the energy related to the temperature of an object.

• Work is the energy of motion.

How is power calculated?

• By dividing the amount of work done by the time it takes to do that work.

• By multiplying the force applied by the distance moved.

• By adding the kinetic and potential energy of an object.

• By measuring the temperature change of an object.

What does understanding power help us evaluate?

• The efficiency of machines and devices in performing tasks.

• The amount of energy stored in chemical bonds.

• The relationship between work and energy.

• The different types of energy.