Force and Friction

What is the unit for force?

• Pound

• Newton

• Gram

• Liter

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Friction is a force that acts in an ___________ direction of movement.

• similar

• opposite

• parallel

• west

What is the SI unit used to measure force?

• Grams 

• Liters

• Pounds 

• Newtons 

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 

• 40N 

• 10N 

• 70N

Tags

NGSS.MS-PS2-1

To calculate net force, when forces are acting in the same direction, the forces are ...

• added 

• subtracted 

• mutiplied 

• divided 

Tags

NGSS.MS-PS2-2

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.MS-PS2-2

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