PS3.A Flashcard

Front

What is the formula for calculating kinetic energy?

Back

Front

Calculate the kinetic energy of a 2 kg object moving at a velocity of 3 m/s.

Back

Front

What does the law of conservation of energy state in a closed system?

Back

In a closed system, energy remains constant; it is neither created nor destroyed.

Front

Define potential energy.

Back

Potential energy is the energy stored in an object due to its position or height.

Front

What type of energy is associated with the motion of atoms and molecules?

Back

Thermal energy is the energy associated with the motion of atoms and molecules.

Front

Identify the type of energy transformation in a hydroelectric power plant.

Back

In a hydroelectric power plant, the transformation is from mechanical energy to electrical energy.

Front

What is the unit of energy in the International System of Units (SI)?

Back

The unit of energy in the SI system is the Joule (J).

Front

What is the difference between kinetic energy and potential energy?

Back

Kinetic energy is the energy of motion, while potential energy is the energy stored due to an object's position.

Front

What is the formula for potential energy?

Back

Front

What is mechanical energy?

Back

Mechanical energy is the sum of kinetic and potential energy in an object.