Newton's First Law of Motion, Inertia

A change in an object's position is called ______.

• Speed
• Motion
• Velocity
• Friction

If an external force is applied to an object, the object's velocity will change because of the force.

• True

• False

The tendency of an object to resist change in motion is called......

• Force

• Motion

• Friction

• Inertia

Objects with more mass, or that we call 'heavier,' have LESS inertia.

• True

• False

____ is a force that occurs when the surfaces of two objects rub together.

• Motion

• Friction

• Velocity

• Speed

Friction can make a moving object slow down or stop.

• True
• False

_____ is an object’s speed in a given direction.

• Friction
• Motion
• Speed
• Velocity

Scalar quantity has ____.

• magnitude (size)
• magnitude and direction

Vector quantity has magnitude (size) and direction.

• True
• False

An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

• Newton's First Law of Motion
• Newton's Second Law of Motion
• Newton's Third Law of Motion
• Newton's Fourth Law of Motion