Physics Quiz

Who was the Greek philosopher that contributed early ideas about motion?

• Galileo Galilei

• Isaac Newton

• Aristotle

• Albert Einstein

What does Newton's first law of motion state?

• A body in motion will speed up unless acted on by an external force.

• A body at rest will remain at rest unless acted on by an external force.

• A body in motion will change direction unless acted on by an external force.

• A body at rest will start moving unless acted on by an external force.

What is the term used to describe the resistance to change in motion according to Newton's first law?

• Friction

• Gravity

• Inertia

• Momentum

According to Newton's second law of motion, what is the formula for force?

• F = ma

• F = mv

• F = mg

• F = mc

What does Newton's third law of motion state?

• For every action, there is a greater reaction.

• For every action, there is an equal and opposite reaction.

• For every action, there is no reaction.

• For every action, there is a similar reaction.

What happens to a car when you press on the accelerator according to Newton's second law?

• The car remains at rest.

• The car moves backward.

• The car accelerates forward.

• The car decelerates.

Which system of measurement is predominantly used worldwide for most science applications?

• The English system

• The Roman system

• The International System of Units (SI)

• The Metric system

What is the basic unit of length in the SI system?

• Foot

• Meter

• Inch

• Yard

What is the term used for motion under conditions where time, mass, and length become distorted?

• Classical mechanics

• Quantum mechanics

• Relativistic mechanics

• Newtonian mechanics

What is the standard mass unit in the SI system?

• Pound

• Gram

• Kilogram

• Ounce