Friction, Physics

Assignment Help:

A thin rod of length 1 m is fixed in a vertical position inside a train, which is moving horizontally with

constant acceleration 4 m/s2. A bead can slide on the rod, and friction coefficient between them is 1/2.

If the bead is released from rest at the top of the rod, find the time when it will reach at the bottom.

Solution) If mass of bead is m;

mg-µN=ma

Now, N=pseudo force due to acceleration of train, which is equal to 4m Newton.

 =>   mg-µ(4m)=ma

=>  g-4µ=a

=>  a=8ms-2

 

Using, second equation of motion:

1=0.5(8)t2

T=0.5sec

 


Related Discussions:- Friction

Wave motion, In an experiment of Quink tube source freequence 100 Hz is use...

In an experiment of Quink tube source freequence 100 Hz is used to find 2nd maxima to 4th manima movalbe part of tube displaced by 1cm then calculate speed of sound in air

Wave motion, Derive an expression for the velocity of transerve wave in str...

Derive an expression for the velocity of transerve wave in stretched uniform string

Determine same electrons or ion as isoelectronic with co, CO has same elect...

CO has same electrons as or the ion that is isoelectronic with CO is: (1) N + 2                 (b) CN -     (3) O + 2                                (4) O - 2

Explain ball bearings, Ball bearings Place some marbles in the lid of...

Ball bearings Place some marbles in the lid of a tin on the floor. Put single foot on the marbles and notice how simply you can spin round.

Acceleration, How can I create an acceleration graph with my results?

How can I create an acceleration graph with my results?

Electrostatics , find the number of electric lines of force that radiate ou...

find the number of electric lines of force that radiate outwards from one coulomb charge in vaccum

Graphical solutions of resolution of forces, Graphical solutions of Resolut...

Graphical solutions of Resolution: This topic looks at deriving graphical solutions to problems involving the Addition of Vector Quantities. Firstly, the quantities m

What is friction - work and energy, what is Friction When we think about ...

what is Friction When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if in

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