Lesson 3C Friction and Air Resistance

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

• similar

• opposite

• parallel

• west

Friction depends on what factors?

• surface area

• type of surface

• force pushing objects together

• All the above

Which type of friction is shown in the picture?

• fluid

• static

• rolling

• sliding

Generally what type of friction is the greatest and hardest to overcome?

• Static

• Kinetic

• Rolling

• smooth

Air resistance is also called

• a Fluid

• speed

• drag

• inertia

At a greater speed, air resistance does what?

• decreases

• increases

• not affected

Objects with smaller surface areas have _______ air resistance.

• lower

• greater

• equal

Air is a fluid.

• True

• False

Tags

NGSS.MS-ESS2-5