Newton’s First Law of Motion: Inertia Quiz

Newton's first law of motion is also known by what other name?

• The law of gravity
• The law of inertia
• The law of friction
• The law of acceleration

According to the source, inertia is related to an object's what?

• Mass
• Velocity
• Color
• Acceleration

How is mass defined in the source?

• The volume of a substance
• The quantity of matter in a substance
• The force of gravity on an object
• The speed of an object

According to Newton's first law, a moving body continues moving how unless acted upon by a net external force?

• In a circular path
• At a constant velocity
• At increasing speed
• With decreasing speed

How is acceleration defined in the source?

• A change in velocity
• The force of gravity
• A constant velocity
• The quantity of matter

Internal forces act where, according to the source?

• Only during free fall
• Between components within the system
• On a system from outside
• Only against gravity

According to Newton's second law, acceleration is directly proportional to what?

• The object's volume
• The object's inertia only
• The friction force
• The net external force

According to Newton's second law, acceleration is in what direction relative to the net external force?

• Opposite direction
• No fixed direction
• The same direction
• Perpendicular direction

According to the source, when is an object in free fall?

• When it is at rest
• When friction is the only force
• When net force is zero
• When the only force acting is gravity

An object in free fall experiences an acceleration due to what?

• Inertia
• Gravity
• Its mass
• Friction

Friction opposes the motion past each other of objects that are what?

• Touching
• At rest permanently
• In free fall
• Made of metal

What is another name for Newton's first law of motion?

• The law of acceleration
• The law of gravity
• The law of inertia
• The law of friction