Forces, Friction and Gravity

A push or pull exerted on an object

• Force
• Net force
• Momentum
• Speed

Tags

NGSS.MS-PS2-2

How will this object move? 

• It won't move. 
• It will move to the right. 
• It will move to the left. 
• It will move in both directions. 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Which could be an example of an unbalanced force?

• A plate sitting on a dining table
• A ball at the top of a hill that is not moving
• Earth orbiting the Sun 
• A baseball that has been thrown to home plate.

Tags

NGSS.MS-PS2-2

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

• 60 N right
• 10 N left
• 60 n right
• 50 N left

Tags

CCSS.HSN-VM.B.4A

CCSS.HSN-VM.B.4B

This type of force is an attraction between two objects

• contact
• gravity
• friction

Tags

NGSS.MS-PS2-4

The unit of force is

• m/s
• m/s^2
• newton
• kg

Balanced forces do not change the objects speed or 

• direction
• distance 
• time
• mass

Tags

NGSS.MS-PS2-2

Which of the following never changes no matter where in the universe?

• weight
• force
• mass
• pounds

Tags

NGSS.MS-PS1-5

In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?

• 50N to the left.
• 350N to the left.
• 350N to the right.
• 50N to the right.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The force that opposes the motion of two surfaces sliding past each other is called ___________.

• acceleration
• inertia
• friction
• unbalanced