Potential and Kinetic Energy

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy an object possesses due to its motion. It depends on the mass and speed of the object.

Front

What is Potential Energy?

Back

Potential Energy is the stored energy in an object due to its position or state. It can be gravitational, elastic, or chemical.

Front

How does Kinetic Energy change with speed?

Back

Kinetic Energy increases with the square of the speed. If speed doubles, Kinetic Energy increases by four times.

Front

What is the formula for Kinetic Energy?

Back

The formula for Kinetic Energy (KE) is KE = 1/2 mv², where m is mass and v is velocity.

Front

What is the formula for Potential Energy?

Back

The formula for Gravitational Potential Energy (PE) is PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What happens to Potential Energy when an object is lifted higher?

Back

The Potential Energy increases as the height of the object increases.

Front

What is Mechanical Energy?

Back

Mechanical Energy is the sum of Kinetic Energy and Potential Energy in a system.

Front

What is an example of Kinetic Energy in everyday life?

Back

A moving car, a running athlete, or a flowing river are all examples of Kinetic Energy.

Front

What is an example of Potential Energy in everyday life?

Back

A book on a shelf, a drawn bow, or water stored in a dam are examples of Potential Energy.

Front

How does mass affect Kinetic Energy?

Back

Kinetic Energy is directly proportional to mass. If the mass of an object doubles, its Kinetic Energy also doubles.