Contact and Non-contact forces

Cards (12)

define force? 
push or a pull that acts on an object due to the interaction with another object
force is a vector quantity
unit for force? 
N
what is contact force?
when 2 objects are physically touching
example of contact forces? 
Friction, tension, normal force.
what is friction? 
he force felt between two surfaces when one attempts to slide against the other
what is air resistance?
he force that acts in the opposite direction to an object moving through the air
what is tension? 
An object that is being stretched
what is normal contact force?
when 2 objects are in direct contact
what is non-contact force?
when two objects are physically separated like gravitational and electrostatic forces
what is gravitational force? 
force of gravity
what is electrostatic force?
Force between electrically charged objects.