Forces and Newton's First Law

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

• Friction

• Inertia

• Unbalanced forces

• Newtons

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

• inertia
• kinetic energy
• vector
• net force

Objects with greater _________ also have greater inertia.

• speed
• mass
• temperature
• friction

Tags

NGSS.MS-PS2-2

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

• to both moving and nonmoving objects
• only to moving objects
• only to objects that are not moving

What kind(s) of objects have inertia?

• all objects with mass
• only objects at rest
• only objects in motion
• only objects whose motion is being changed

Tags

NGSS.HS-PS2-1

Why is the net force 0 in the image?

• Because the elephants are the same size
• Because they are both pulling the same amount of force in opposite directions
• Because they are elephants
• Because they are pulling away from each other.

Tags

NGSS.MS-PS2-1

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

What is the unit called that measures force?

• weight

• meter

• newton

• kilogram

What is the net force?

• 5.5 N left
• 5.5 N right
• 2.5 N left
• 2.5 N right

Tags

NGSS.MS-PS2-2

What is the net force?

• 4.2 N left
• 4.2 N right
• 2.2 N left
• 2.2 N right

Tags

NGSS.MS-PS2-2