Force and Friction

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

• added 

• subtracted 

• multiplied 

• divided 

Tags

NGSS.HS-PS2-1

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

Balanced or unbalanced?

• balanced

• unbalanced

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is the net force?

• 20 N Right

• 0 N

• 40 N Left

• 40 N Right

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

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What does friction produce?

• light

• sound

• heat

• gravity

What is the net force?

• 10 N Right

• 0 N

• 25 N Right

• 10 N Left

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces that have a net force of zero and the object's movement is not effected.

• Balanced Forces 

• Unbalanced Forces 

Tags

NGSS.3-PS2-1