Potential & Kinetic Energy Review

Front

What is Potential Energy?

Back

Potential Energy is the energy stored in an object due to its position or configuration. It is calculated using the formula PE = mass x gravity x height.

Front

What is Kinetic Energy?

Back

Kinetic Energy is the energy of an object in motion. It is calculated using the formula KE = 1/2 mass x velocity².

Front

Calculate the Potential Energy of a 2,500 kg car on a hill 100 meters high.

Back

2,450,000 J (using PE = mass x gravity x height, where gravity = 9.8 m/s²).

Front

What type of energy does a stretched rubber band represent?

Back

Potential Energy.

Front

Calculate the Kinetic Energy of a 50 kg person running at 7 m/s.

Back

1225 J (using KE = 1/2 mass x velocity²).

Front

What is the formula for calculating Kinetic Energy?

Back

KE = 1/2 mass x velocity².

Front

What is the formula for calculating Potential Energy?

Back

PE = mass x gravity x height.

Front

What happens to Potential Energy as an object falls?

Back

As an object falls, its Potential Energy decreases while its Kinetic Energy increases.

Front

What is the relationship between Potential Energy and height?

Back

Potential Energy increases as height increases, assuming mass and gravity remain constant.

Front

If a ball is thrown upwards, what type of energy is highest at the peak of its flight?

Back

Potential Energy is highest at the peak of its flight.