Concept and application of limiting friction, Mechanical Engineering

Assignment Help:

Concept and application of limiting friction:

Sol.: The maximum value of frictional force that comes into play, when the body just begins to slide over the surface of the other body, is called as limiting friction. Consider solid body which is placed on horizontal plane surface.

 

11_Concept and application of limiting friction.png

W = Weight of body acting through center of gravity downwards.

R = Normal reaction of body acting through center of gravity downwards.

P = Force acting on the body through center of gravity and parallel to the horizontal surface.
F = Limiting force of friction

If 'P' is small, the body will not move as the force of friction acting on the body in the direction opposite to 'P' will be more than 'P'. But if magnitude of 'P' goes on increasing a stage comes, when the solid body is on point of motion. At this stage, force of friction which is acting on body is called as LIMITING FORCE OF FRICTION (F).

R = W; F = P

If the magnitude of 'P' is increased further the body will start moving. The force of friction, acting on body is moving, is called as KINETIC FRICTION.


Related Discussions:- Concept and application of limiting friction

Actual vapour compression cycle, diffrence between actual and idealactual v...

diffrence between actual and idealactual vapour compression cycle

Determine the work transfer, (a) Derive the mathematical expression for Ste...

(a) Derive the mathematical expression for Steady Flow Energy Equation. State the assumption made before the derivation. (b) The internal energy of a substance is provided by th

Alternating current -fundamentals of electricity , Alternating Current ( A...

Alternating Current ( AC ) : The electricity whose direction changes at regular interval is known as alternating current. I

Control, hey i really need someone to help doing my control course work asa...

hey i really need someone to help doing my control course work asap cuse it is due sunday it is about Control of water level in a nonlinear ‘V’ shaped tank

Conical section, expression for elongation of bar of conical section under ...

expression for elongation of bar of conical section under the action of axial force p whenit tapers from d1 to d2 over a length

Fluids, show a schematic circuit diagram of a electric hydraulic gear pump...

show a schematic circuit diagram of a electric hydraulic gear pump with adjustable with one direction flow and explain the operation

Shaft in series, SHAF T IN SERIES : In order to form composite sh...

SHAF T IN SERIES : In order to form composite shaft sometimes 2 shafts are connected in series. In this type of cases each shaft transmits same torque. The angle of twist

Contrary to the misconception, Contrary to the misconception that the grow...

Contrary to the misconception that the growth in automobile industry has catered only to the higher income-stratum of society by producing mostly passenger cars, the fastest growt

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd