Front

What is Newton's second law of motion?

Back

Newton's second law of motion states that Force = Mass x Acceleration. It explains how the velocity of an object changes when it is subjected to an external force.

Front

What is the most common type of energy used in households?

Back

The most common type of energy used in households is electrical energy.

Front

What phase change occurs when a liquid turns into a gas?

Back

The phase change that occurs when a liquid turns into a gas is called boiling.

Front

What type of electricity is produced when socks stick together and crackle when pulled apart?

Back

The type of electricity produced is static electricity.

Front

What type of energy is produced by the splitting of an atom?

Back

The type of energy produced by the splitting of an atom is nuclear energy.

Front

Define force in the context of physics.

Back

Force is an interaction that causes an object to change its velocity, which can include starting, stopping, or changing direction.

Front

What is the formula for calculating work done?

Back

The formula for calculating work done is Work = Force x Distance.

Front

What is the relationship between speed, distance, and time?

Back

The relationship is defined by the formula Speed = Distance/Time.

Front

What is density and how is it calculated?

Back

Density is the mass of an object divided by its volume, calculated as Density = Mass/Volume.

Front

What is the difference between kinetic and potential energy?

Back

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