Gravity and Friction

the force that opposes motion

• mass

• weight

• friction

• speed

gravity is an example of what

• contact force

• noncontact force

• weight

• mass

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Friction between air and a surface is called

• static friction

• sliding friction

• fluid friction

• fox friction

The force of attraction between all things that have mass

• Gravity

• Weight

• Friction

• Air Resistance

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

Force that opposes movement between touching surfaces

• Gravity

• Weight

• Friction

• Air Resistance

We have fluid in our knees to reduce

• Gravity

• Weight

• Friction

• Air Resistance

The force of friction between SURFACES NOT IN MOTION

• Static Friction

• Sliding Friction (Kinetic Friction)

• Rolling Friction

The force of friction that AFFECTS SURFACES IN MOTION

• Static Friction

• Sliding Friction (Kinetic Friction)

• Rolling Friction

The force of friction when an object ROLLS FREELY OVER A SURFACE

• Static Friction

• Sliding Friction (Kinetic Friction)

• Rolling Friction

What type of friction acts on an object that is not yet moving?

• Static

• Dynamic

• kinetic

• Rolling