Definition: a force that acts between two surfaces to oppose their relative (1)There may not be any forces parallel to the boundary other than friction
lecture14_01.pdf
Two Types of Friction 1 Static Friction (Ffrict-static) Static friction force is the friction that resists the motion of two stationary surfaces past
FrictionNotes.pdf
a) In some types of machines we want to minimize the retarding effect of friction forces Examples : bearings of all types, power screws, gears,
friction_mm.pdf
fluid exerts a frictional force on the moving object The frictional force from a fluid is called a drag force • Friction examples: tires skidding to a
Friction_5-minute.pdf
Forces come in pairs, but act on different objects Special examples: Static friction force is parallel to the surfaces
Phys22000_Lecture5.pdf
The unknown forces are found from the equations of equilibrium 2 4 1 Rough Horizontal Plane There can be following cases of motion of body on rough horizontal
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Can you think of an explanation? Can we say that a force must be acting on the book opposing its motion? This force is called the force of friction
hesc112.pdf