Friction and Force

The force that acts in the opposite direction of motion when two surfaces come in contact. 

• Force

• Friction

• Static

• Kinetic 

The amount of friction depends on the weight of the objects pressing together.

• True

• False

Rougher surfaces have ...

• greater friction

• less friction

• the same level of friction

• no friction at all

What type of friction is not moving?

• static

• sliding

• fluid

• rolling

What type of fluid friction acts on an object moving through the air?

• Friction 

• Normal Force 

• Gravity 

• Air resistance 

Which type of friction exists between a surface and moving air?

• fluid friction

• static friction

• sliding friction

• rolling friction

Wheels on a skateboard most likely experiences-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

Tags

NGSS.MS-PS2-2

Sally experiences-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

Wheels of a shopping cart experience-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction

Tags

NGSS.MS-PS2-2

Swimming fish experience-

• Rolling Friction

• Sliding Friction

• Fluid Friction

• Static Friction