Friction and Force

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

• larger 

• smaller 

• equal 

Tags

NGSS.MS-PS2-2

A force is...

• a push 

• a pull 

• a push or pull 

• a push or pull with a specific magnitude and direction 

Tags

NGSS.MS-PS2-1

To calculate net force, when forces are acting in opposite directions, the forces are ...

• added 

• subtracted 

• multiplied 

• divided 

Tags

NGSS.HS-PS2-1

What surface would have the most friction?

• Glass

• Marble

• Pool table

• Sandpaper

If these teams are pulling with the same amount of force what will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-2

What is the net force?

• 30 N Left

• 25 N Right

• 5 N Left

• 55 N Left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Balanced or Unbalanced?

• Balanced 

• Unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If an object is not moving the forces acting upon it are _____________

• unbalanced

• weak

• balanced

• Hulk Smash!

How does friction affect speed?

• more friction decreases speed

• more friction increases speed

• less friction decreases speed

• less friction doesn't affect speed

What does friction produce?

• light

• sound

• heat

• gravity