Conservation of Mechanical Energy

Front

What is the Law of Conservation of Energy?

Back

Energy cannot be created or destroyed, only transformed from one form to another.

Front

What type of energy does a pendulum have at its highest point?

Back

Potential Energy.

Front

What type of energy does a pendulum have at its lowest point?

Back

Kinetic Energy.

Front

Define Kinetic Energy.

Back

The energy of an object due to its motion, calculated as KE = 1/2 mv², where m is mass and v is velocity.

Front

Define Potential Energy.

Back

The energy stored in an object due to its position or configuration, commonly gravitational potential energy, calculated as PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What happens to the total mechanical energy in a closed system without friction?

Back

The total mechanical energy (potential + kinetic) remains constant.

Front

What is the formula for calculating gravitational potential energy?

Back

PE = mgh, where m is mass, g is acceleration due to gravity, and h is height.

Front

What is the formula for calculating kinetic energy?

Back

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

Front

At what point in a pendulum's swing is the kinetic energy the greatest?

Back

At the lowest point of the swing.

Front

At what point in a pendulum's swing is the potential energy the greatest?

Back

At the highest points of the swing.