Types of Forces

Force

• push or pull

• mythical star wars powers

• can only happen with contact

• only gravity

Contact force

• A force that can only be applied with touch

• A force that can act at a distance

What is a force that acts at a distance?

• A force that requires contact

• can be applied without contact between objects

Applied force

• Contact force

• Force at a distance

Friction

• Contact Force

• Force at a distance

Normal Force

• Contact force

• Force at a distance

Force that affects the weight of an object

• magnetism

• friction

• gravity

• air resistance

What force would prevent you from pushing a heavy box across the floor?

• applied force

• friction

• normal force

• air resistance

What force is your chair acting upon you right now so you don't fall to the floor?

• applied

• normal

• gravity

• friction

Are forces applied when the objects involved are in direct contact.

• Contact forces

• Normal forces

• action-at-a-distance forces