Newton's Laws: Crash Course Physics Quiz

What is Newton's First Law of Motion also known as?

• Law of Reaction

• Law of Inertia

• Law of Gravity

• Law of Acceleration

According to Newton's Second Law, what is the formula for net force?

• F = mg

• F = ma

• F = mv

• F = m/v

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NGSS.MS-PS2-2

What does Newton's Third Law state?

• Force equals mass times acceleration

• An object in motion stays in motion

• Gravity is a force that pulls objects together

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

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NGSS.MS-PS2-1

What is the unit of force named after Sir Isaac Newton?

• Second

• Meter

• Kilogram

• Newton

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NGSS.MS-PS2-1

What is the term for the force that is always perpendicular to the surface an object rests on?

• Tension force

• Frictional force

• Normal force

• Gravitational force

What is the acceleration due to gravity on Earth approximately equal to?

• 9.81 m/s²

• 10 m/s²

• 9.5 m/s²

• 8.9 m/s²

What is the term for an object's tendency to resist changes in its state of motion?

• Momentum

• Inertia

• Velocity

• Acceleration

In a free body diagram, what does an arrow pointing upwards typically represent?

• Gravitational force

• Normal force

• Tension force

• Frictional force

What is the force that acts in the opposite direction to the motion of an object?

• Gravitational force

• Tension force

• Normal force

• Frictional force

What is the term for the force that acts along a rope or string?

• Frictional force

• Tension force

• Normal force

• Gravitational force