Forces and Friction

What is the net force?  

• 0 N
• 10 N
• 25 N
• 5 N

Tags

NGSS.MS-PS2-2

What is the net force and the direction of movement?  

• 13 N Toward Y
• 13 N Toward Z
• 7 N Toward Y
• 7 N Toward Z

Tags

NGSS.MS-PS2-2

Does this combination of forces create a balanced or unbalanced net force?  

• Balanced
• Unbalanced

Tags

NGSS.MS-PS2-2

What is the net force and the direction of movement?  

• 0 N No movement
• 7 N Right
• 2 N Right
• 2 N Left

Tags

NGSS.MS-PS2-2

In order to determine the net force, would these forces have to be added or subtracted? 

• Added
• Subtracted

Tags

NGSS.MS-PS2-2

Is this soccer ball balanced or unbalanced? 

• Balanced
• Unbalanced

If someone jumps onto the couch when he is trying to move it, what changes?  

• Friction between couch and floor decreases
• Friction between couch and floor increases
• The couch will be easier to move
• The couch will move faster across the floor

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which set of students represent forces that have to be added together to get the net force?

• A

• B

• C

• All must be added

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What does the length of the arrow represent?  

• The magnitude of the force
• The direction of the force

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Tags

NGSS.MS-PS2-2