Physics Basics

Which of Newton's laws is also known as the law of inertia?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

Which of the following is an example of Newton's Third Law?

• A book resting on a table

• A car accelerating on a highway

• A rocket launching into space

• A person pushing a wall and the wall pushing back

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Which of Newton's laws can be used to explain the relationship between the force applied to an object and its acceleration?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Newton's Law of Universal Gravitation

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A car travels 150 km north in 3 hours. What is its average velocity?

• 50 km/h

• 50 km/h north

• 150 km/h

• 150 km/h north

If a cyclist travels at a constant speed of 20 km/h for 2 hours, what is the total distance covered?

• 10 km

• 20 km

• 40 km

• 60 km

Which of the following quantities is a vector?

• Speed

• Distance

• Time

• Displacement

A runner completes a 400 m lap in 50 seconds. What is their average speed?

• 4 m/s

• 6 m/s

• 8 m/s

• 10 m/s

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If a car travels 100 km east and then 100 km west, what is its total displacement?

• 0 km

• 100 km

• 200 km

• 50 km

A car travels at a constant speed of 60 km/h for 2 hours. What is its displacement if it travels in a straight line?

• 30 km

• 60 km

• 120 km

• 180 km

A car accelerates uniformly from 10 m/s to 30 m/s in 5 seconds. What is the acceleration?

• 2 m/s²

• 4 m/s²

• 6 m/s²

• 8 m/s²

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