What is the first law of motion according to Newton?

• Law of Gravity

• Law of Inertia

• Law of Acceleration

• Law of Friction

What is the formula for force in Newton's second law?

• F=ma

• F=mg

• F=mv

• F=mc

Tags

NGSS.MS-PS2-2

Which law explains why you feel a push back when you push against a wall?

• Newton's 3rd Law

• Newton's 1st Law

• Newton's 2nd Law

• Law of Conservation of Energy

What happens to an object in motion if no unbalanced force acts on it?

• It stops

• It accelerates

• It stays in motion at constant velocity

• It changes direction

Tags

NGSS.HS-PS2-1

What is required to change the velocity of an object according to the 1st Law of Motion?

• Balanced force

• Unbalanced force

• No force

• Constant speed

Tags

NGSS.MS-PS2-2

Which of the following best describes inertia?

• The force that moves objects

• The resistance to change in motion

• The speed of an object

• The direction of motion

What does Newton's 1st Law of Motion state about objects in motion?

• Objects in motion stay in motion unless acted upon by an external force.

• Objects in motion will stop immediately.

• Objects in motion will change direction on their own.

• Objects in motion will speed up automatically.

What is the term used to describe the resistance to changes in motion?

• Velocity

• Acceleration

• Inertia

• Momentum

What does inertia cause objects to do?

• Change direction easily.

• Resist changes in their motion.

• Stop immediately.

• Speed up automatically.

Tags

NGSS.HS-PS2-1

What does the text imply about motion and safety?

• Motion is always safe.

• Safety measures are unnecessary.

• Safety measures like seat belts are crucial.

• Motion cannot be controlled.

Tags

NGSS.MS-ETS1-1