Review for QSE 2 2024

Front

What type of energy is transferred when you eat pizza?

Back

Chemical Energy is transferred to Mechanical Energy.

Front

Which of the following is not a source of chemical energy?

Back

The Sun.

Front

What is the force that we apply to push an object?

Back

Applied force.

Front

What happens to potential energy when moving from position 1 to position 3 if it decreases?

Back

The potential energy is decreasing.

Front

What type of energy transformation occurs in a circuit with a battery and a buzzer?

Back

Chemical energy is transformed to electrical energy and then to sound energy.

Front

Define Chemical Energy.

Back

Chemical energy is the energy stored in the bonds of chemical compounds, like atoms and molecules.

Front

What is Mechanical Energy?

Back

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

Front

What is the difference between potential energy and kinetic energy?

Back

Potential energy is stored energy based on position, while kinetic energy is the energy of motion.

Front

What is Friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is Gravity?

Back

Gravity is the force that attracts two bodies towards each other, commonly experienced as the force that pulls objects towards the Earth.