Review: Newton's First Law and Forces

Newton's 1st Law is also called the Law of ...

• Unbalanced forces

• Inertia

An object in motion tends to stay in motion unless an ___ force acts on it.

• unbalanced
• balanced

Tags

NGSS.MS-PS2-2

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

• vector

• inertia

Objects with greater _________ also have greater inertia.

• mass

• speed

Tags

NGSS.HS-PS2-1

The law of inertia (Newton’s First Law) applies

• only to objects that are not moving

• to both moving and nonmoving objects

Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.

• moving

• inertia

Because of inertia, a resting object will remain at ________.

• inertia 

• rest

What kind(s) of objects have inertia?

• only objects in motion

• all objects with mass

Which of these are GREAT example of inertia?

• a person flying through the windshield during a car wreck because they weren't wearing their seat belt

• a person staying in the vehicle and hitting the air bag during a car wreck because they are wearing a seat belt

• earth constantly traveling at the same speed in it's orbit

• a meteor traveling through space at a constant speed until it hits something

Tags

NGSS.HS-PS2-1

Match these vocabulary terms

• Inertia

• Gravity

• amount of matter

• Mass

• Friction

• Resistance between two moving objects

• The force that pulls inward

• A push or a pull

• Force

• To stay the same; to not change

Tags

NGSS.MS-PS2-2