Gravity, Friction, Forces

The force of attraction between all things that have mass

• Gravity

• Weight

• Friction

• Air Resistance

Tags

NGSS.MS-PS2-4

The measure of gravitational force

• Gravity

• Weight

• Friction

• Air Resistance

Tags

NGSS.MS-PS2-2

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

Objects with more surface area will have more air resistance

• True

• False

• Sometimes true

Objects with more mass will have more air resistance

• True

• False

• Sometimes true

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

Opposite charges

• Attract

• Repel

Tags

NGSS.MS-PS2-3