Newton's Laws of Motion - Royal Observatory Greenwich

Who is credited with formulating Newton's Three Laws of Motion?

• Isaac Newton

• Albert Einstein

• Galileo Galilei

• Nikola Tesla

What do Newton's Three Laws of Motion help us understand and predict?

• How objects move in space

• How to calculate gravity

• How rockets work

• How to jump higher

Which law of motion states that an object at rest will stay at rest, and an object in motion will stay in motion with the same speed and direction unless acted upon by an external force?

• First Law of Motion

• Second Law of Motion

• Third Law of Motion

• Law of Inertia

Which law of motion states that the acceleration of an object is directly proportional to the net force applied to it and inversely proportional to its mass?

• First Law of Motion

• Second Law of Motion

• Third Law of Motion

• Law of Inertia

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

• First Law of Motion

• Second Law of Motion

• Third Law of Motion

• Law of Inertia

What is the term used to describe the resistance of an object to changes in its motion?

• Inertia

• Gravity

• Acceleration

• Velocity

Which law of motion explains why astronauts experience weightlessness in space?

• First Law of Motion

• Second Law of Motion

• Third Law of Motion

• Law of Inertia

What is the force that pulls objects towards the center of the Earth?

• Gravity

• Friction

• Magnetism

• Tension

Which law of motion explains how rockets are able to launch into space?

• First Law of Motion

• Second Law of Motion

• Third Law of Motion

• Law of Inertia

What is the term used to describe the rate at which an object changes its position?

• Velocity

• Acceleration

• Force

• Mass