Kinetic vs Potential Energy

Front

What is kinetic energy?

Back

Kinetic energy is the energy that an object possesses due to its motion. It is calculated using the formula KE = 1/2 mv², where m is mass and v is velocity.

Front

What is potential energy?

Back

Potential energy is the energy stored in an object due to its position or configuration. It is often associated with gravitational potential energy, which can be calculated using the formula PE = mgh, where m is mass, g is the acceleration due to gravity, and h is height.

Front

Give an example of kinetic energy in everyday life.

Back

An example of kinetic energy is a person swimming in a pool, as they are in motion.

Front

Give an example of potential energy in everyday life.

Back

An example of potential energy is a slingshot that is pulled back, storing energy due to its position.

Front

How does kinetic energy change as an object speeds up?

Back

As an object speeds up, its kinetic energy increases because kinetic energy is proportional to the square of its velocity.

Front

How does potential energy change as an object is lifted higher?

Back

As an object is lifted higher, its gravitational potential energy increases because it is positioned further from the ground.

Front

What is the relationship between kinetic and potential energy in a roller coaster?

Back

In a roller coaster, potential energy is highest at the top of the hills, while kinetic energy is highest at the lowest points of the track, demonstrating the conversion between the two forms of energy.

Front

What factors affect kinetic energy?

Back

Kinetic energy is affected by the mass of the object and its velocity; increasing either will increase the kinetic energy.

Front

What factors affect potential energy?

Back

Potential energy is affected by the mass of the object, the height above a reference point, and the gravitational force acting on it.

Front

What is mechanical energy?

Back

Mechanical energy is the sum of kinetic and potential energy in a system, representing the total energy available for doing work.