forces and frictional forces

What is the strongest force on Earth?

• Gravity

• Friction

• Air Resistance

• Love

Friction and air resistance always exert force...

• in the same direction as the object's motion.

• in the opposite direction of the object's motion.

Tags

NGSS.MS-PS2-2

Which two factors affect the strength of gravity? (Select two.)

• Mass

• Speed

• Force

• Distance from the source of gravity

What is the unit of force?

• Newton, N

• Centimetre, cm

• Kilometre, km

• kilogram, kg

Force is a __________ quantity.

• Vector

• Scalar

The type of force that opposes motion is called:

• magnetism
• friction
• gravity
• electric/static

On which surface would friction be the greatest?

• carpet
• ice
• snow
• satin

What type of force is shown in the picture?

• The Cat force
• Star Wars Force
• Unbalanced force
• Balanced  force

Tags

NGSS.3-PS2-1

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

By looking at the picture, what is the best conclusion?

• Friction is in the same direction as Motion
• The Friction force  is  opposite to the direction of  the motion force
• Friction does not count
• I forgot my I-pad

Tags

NGSS.MS-PS2-2