Forces and Motion

What is a force?

• Is a push or a pull on an object that may cause a change in motion

• Is when we move an object

• Is a push of an object to make it move

• Is a pull of an object that may make it move

Tags

NGSS.3-PS2-1

We say the force is balanced when the object moves

• No

• Yes

• There are no balanced forces

Tags

NGSS.3-PS2-1

We say the force is unbalanced when the object moves

• Yes

• No

Tags

NGSS.3-PS2-1

Forces can be

• Weak and Strong

• Big and Small

• Short and Long

What is friction?

• A force that occurs when two objects touch

• A pull of an object

• A force that brings things down

• The push of an object

Friction slows down things that are moving

• Yes

• No

• Friction is not real

Tags

NGSS.3-PS2-1

He is

• Pushing the cart

• Pulling the cart

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

He is

• Pulling

• Pushing

What makes the swing start or stop moving?

• Force

• Push

• Pull

• Air

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The strenght of any force can be changed

• Yes

• No

Tags

NGSS.HS-PS2-3