roling friction static friction siding friction fluid friction


1. It acts on objects moving through a squid or gas
2. It occurs in stationary objects or objects at rest and prevents
an object from morning against a surface.
3. It occurs when two objects rub against each other or slide
against each other.
4. It is produced when an object rolls over a surface.
5. It occurs in a swimmer swimming in water, a boat travelling in
water, or an airplane flying across the sky.​