Force required to start the roller, Mechanical Engineering

Assignment Help:

Force required to start the roller:

A roller shown in the figure given below is of mass 150Kg. What force T is required to start the roller over block A?

Sol.: Let R be reaction given by block to the roller, and is to act at point A subtends an angle of ? as shown in the figure given below,

For finding angle θ  ,

Sin θ  = 75/175 = 0.428

= 25.37°

Apply lami's theorem at 'A', as the body is in equilibrium

T/sin(90° + 25.37°) = 150 × g/ sin(64.63° + 65°)

T = [150 × g × sin(90° + 25.37°)]/ sin(64.63° + 65°)

T = 1726.33N

 

854_Force required to start the roller.png

 


Related Discussions:- Force required to start the roller

Non-ferrous materials, NON-FERROUS MATERIALS: Latest technology has be...

NON-FERROUS MATERIALS: Latest technology has been highly dependent on non-ferrous and alloys for in specific cases they represent the compensation of high strength and low wei

3d design software, Which software is worth in learning for upcoming techno...

Which software is worth in learning for upcoming technologies in mechanical field?

Ionization of inert gases, inert gas is ionizing in tig and mig,plasma arc ...

inert gas is ionizing in tig and mig,plasma arc welding processe.but it is impossible to react with inert gas

What are preheat and interpass temperature, Q. What are Preheat and interpa...

Q. What are Preheat and interpass temperature? Preheat and interpass temperatures shall be in accordance with the applicable codes. Materials that require preheat for welding

Determine the maximum stress developed in the beam, Determine the maximum s...

Determine the maximum stress developed in the beam: An I section in Figure is utilized as a beam. The beam is subjected to a bending moment of 2.5 kN m at its neutral axis. De

Transmission dynamometer and absorption dynamometer, Write down short notes...

Write down short notes on : (i) Dynamometer and Brakes. (ii) Transmission Dynamometer and Absorption Dynamometer. (iii) Epicyclic Gear Train Dynamometers.

GD & T Expert needed to drawing chenck, Dou you have someone with good GD &...

Dou you have someone with good GD & T knowledge who can help me with ceheck, markup and comment mechanical drawings in PDF file format wich I will send?

Nominal stress and true stress, Nominal Stress and True Stress: Nomina...

Nominal Stress and True Stress: Nominal stress is the ratio of force per initial cross sectional area (original area of cross section). Nominal stress = Force / initial ar

Module site installation preparation, Q. Module Site Installation Preparati...

Q. Module Site Installation Preparation? The following tasks shall be accomplished at the Facility site prior to setting the modules on the piles: After module support piles

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