Dec 2024 8th P.S. Exam

Front

What does the Law of Conservation of Energy state?

Back

Energy cannot be created or destroyed, it can only be transformed.

Front

What should you do with long hair in a lab?

Back

Tie it back.

Front

What is the action of one surface or object rubbing against another called?

Back

Friction.

Front

Which law of motion states that for every action, there is an equal and opposite reaction?

Back

3rd Law of Motion.

Front

What is the primary source of energy for almost all processes on Earth?

Back

The Sun.

Front

Define energy.

Back

The ability to do work or cause change.

Front

What is kinetic energy?

Back

The energy of an object due to its motion.

Front

What is potential energy?

Back

The energy stored in an object due to its position or state.

Front

What is the formula for calculating force?

Back

F = ma (Force = mass x acceleration).

Front

What is friction?

Back

A force that opposes the motion of an object.