What is force?
A push or pull on an object
Forces are divided into two main categories:_______ and _______ forces
Contact and non-contact forces
What are contact forces?
Forces that occur when objects are touching each other
What are non-contact forces?
Forces that act on objects without them touching
What is an upwards force that acts on an object when it is in a fluid?
Upthrust
When an object moves through air it experiences this force.
Air resistance
When two objects slide past each other they experience this force
Friction
This is the driving force from a car engine
Thrust
When a book rests on a table the table pushes back on the book with this force
Normal reaction force
When a rope is pulled tight it has this force
Tension
A pulling force that makes objects fall towards the Earth
Gravity
The force experienced by charged particles
Electrical force
The force experienced by a magnetic material
Magnetic force
Contact or non-contact force?
Contact force
Contact or non-contact force?
Contact force
Contact or non-contact force?
Non-contact force
