Newton's First Law of Motion

An object's resistance to changing motion is called...

• gravity

• acceleration

• inertia

• mass

Velocity measures ____________________ and _______________________.

• speed and direction

• inertia and friction

• gravity and mass

• speed and mass

A change in velocity is called...

• speed

• acceleration

• velocity

• force

A(n) _________________________ is a push, pull, or twist.

• friction

• speed

• force

• acceleration

Tags

NGSS.MS-PS2-2

Newton's First Law says that "Objects in motion stay in motion and objects at rest stay at rest unless..."

• acted on by an unbalanced force.

• gravity happens.

• nothing else happens.

• acted on by a balanced fore.

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

• Speed
• Motion
• Velocity
• Friction

If an external force is applied, the velocity will change because of the force.

• True
• False

Tags

NGSS.MS-PS2-2

The tendency of an object to resist change in motion.

• Force
• Motion
• Friction
• Inertia

Objects with more mass or heavier have LESS inertia.

• True
• False

Tags

NGSS.MS-PS2-2

Lighter objects have LESSER inertia than heavier objects.

• True
• False

Tags

NGSS.MS-PS2-2