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Friction

Friction is a force that resists the motion of two surfaces in contact, preventing objects from sliding and slowing down moving objects. There are different types of friction, including static, sliding, and fluid friction, each with distinct characteristics and examples. The amount of friction depends on the surfaces involved and the force pressing them together.

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Laxmikant Biradar
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18 views473 pages

Friction

Friction is a force that resists the motion of two surfaces in contact, preventing objects from sliding and slowing down moving objects. There are different types of friction, including static, sliding, and fluid friction, each with distinct characteristics and examples. The amount of friction depends on the surfaces involved and the force pressing them together.

Uploaded by

Laxmikant Biradar
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PPT, PDF, TXT or read online on Scribd
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FRICTION

Any force that


resists motion
that are in
contact with each
other.
that keeps an
object from
sliding down and
incline plane.
Friction
that resists the
motion of two
surfaces that are
touching.
another object,
friction is the
opposing force
that slows or
stops the moving
object.
surfaces of the
touching objects
– when rubbed
together
resistance is
particles are
actually torn
from one surface
and imbedded in
the other.
amount by which
friction may be
reduced. If made
too smooth, the
friction between
them actually
Types of Friction
Static..prevents
objects sliding
Types of Friction
Static..prevents
objects sliding
*Sliding...resists
objects while they
are moving
*Fluid…air or
water
Examples of
Friction
Tires on the road
Walking/Running
Nails into wood
Sled on hill
an object would
continue to move
at constant speed
forever.
friction depends
on the type of
surfaces and how
hard the surfaces
push together.
produce greater
friction than
smooth surfaces.
Principles of
Friction
parallel to the
surface that are
in contact.
OPPOSITE the
direction of the
motion (or
intended motion).
Sliding Friction
movement that is
created when two
things rub
together.
Fluid Friction
when they move
through a liquid
or a gas. It's also
known as "drag",
or "air
resistance".
All gases and
liquids are fluids.
a swimmer both
experience fluid
friction.
before motion
begins. Starting
Friction is when
Static Friction is
at is maximum.
the frictional
force present with
motion
Friction is
usually higher
than Kinetic
Friction
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