Newton's Laws of Motion Quiz

Which of the following best represents Newton's First Law of Motion?

• A person pushing a boulder up a hill

• A soccer ball remaining at rest until kicked by a foot

• Books falling off a table onto the floor

• A person pulling a wagon with a constant speed

What does Newton's Second Law of Motion focus on?

• The force needed to keep a book on a table

• The force required to change the motion of an object with mass

• The necessity of three forces to change an object's motion

• The force that keeps a soccer ball in motion indefinitely

Newton's Third Law of Motion can be summarized by which phrase?

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

• An object at rest stays at rest unless acted upon by an external force

• The greater the mass of an object, the more force it will exert

• Motion can only be changed by external forces acting in pairs

Who is considered one of the most important scientists in history, as mentioned in the text?

• Galileo

• Aristotle

• Isaac Newton

• Albert Einstein

When did Isaac Newton die?

• March 31, 1727

• March 31, 1827

• March 31, 1627

• March 31, 1927

Newton's first law is also referred to as the law of _______.

• Motion

• Gravity

• Inertia

• Energy

According to Newton's first law, an object at rest will remain at rest unless _______.

• It is acted upon by a force

• It is observed

• It naturally moves

• It is in a vacuum

What will happen to an object moving at a constant velocity if no net force acts on it?

• A) It will stop eventually

• B) It will change direction

• C) It will maintain its constant velocity

• D) It will accelerate

If an external force acts on an object, what will happen to the object's velocity?

• A) It will remain constant

• B) It will change because of the force

• C) It will instantly stop

• D) It will reverse direction

According to Newton's first law, what will an object at rest do unless acted upon by an unbalanced force?

• It will start moving at a constant velocity.

• It will remain at rest.

• It will accelerate.

• It will vanish.