Work, Power and Energy

Front

What is Electrical Energy?

Back

Energy of electric charges moving through conductors.

Front

What transformation occurs in a toaster?

Back

Electrical energy is transformed into thermal energy.

Front

What is given off from energy?

Back

Heat.

Front

How can you find the kinetic energy of an object?

Back

Multiply the mass and speed of the object.

Front

What is Kinetic Energy?

Back

Energy of an object in motion.

Front

What is Potential Energy?

Back

Stored energy based on an object's position or state.

Front

What is the formula for Kinetic Energy?

Back

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

Front

What is Work in physics?

Back

Work is done when a force causes an object to move; calculated as Work = Force x Distance.

Front

What is Power in physics?

Back

Power is the rate at which work is done; calculated as Power = Work / Time.

Front

What is the unit of Energy?

Back

The Joule (J).