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

Stress analysis, Figure shows rough sketch of a selected representative cri...

Figure shows rough sketch of a selected representative critical part of a "Quick Coupler" (of an earth moving equipment) made with cast steel.  You need to perform FEA analysis to

Steps of inspection of electrical equipment, Inspection of Electrical Equip...

Inspection of Electrical Equipment STEPS All electrical equipment are checked for proper functioning. The starting and lighting of the motorcycle should be prope

Calculate required tractive effort, how can i calculate tractive effort for...

how can i calculate tractive effort for jet ski to start move and how much power necessary ?

Assignment, #question.needs help to do my assignment.

#question.needs help to do my assignment.

Entropy and Enthalpy, Ask . A vessel having a volume of 0.6 m3 contains 3.0...

Ask . A vessel having a volume of 0.6 m3 contains 3.0 kg of liquid water and water vapour mixture in equilibrium at a pressure of 0.5 MPa. Calculate : (i) Mass and volume of liquid

Use of stainless steels in welding, Q. Use of Stainless Steels in welding? ...

Q. Use of Stainless Steels in welding? Considerable care must be exercised to obtain sound, crack-free welds. These difficulties are pronounced when welding very high-chromium

Backup purge, Backup Purge Backup purge gas can also be used to prot...

Backup Purge Backup purge gas can also be used to protect the under side of the weld and its adjacent base metal surfaces from oxidation on the time of welding . Uniformity

Magnitude of the normal force, A Mercedes-Benz 300SL (m = 1600 kg) is parke...

A Mercedes-Benz 300SL (m = 1600 kg) is parked on a road that rises 20° above the horizontal. (a) What is the static frictional force that the ground exerts on the tires? (b) Wh

Determine tangential and normal stresses, A rectangular block of material i...

A rectangular block of material is subjected to stresses 65N/mm 2 (tensile) in x- direction and 35 N/mm 2 (tensile) in perpendicular direction. It is accompanied by shear stress

Hydrometer-electrical instruments , Hydrometer: Hydrometer (Figure) is use...

Hydrometer: Hydrometer (Figure) is used to measure the specific gravity of battery fluid (electrolyte). Figure: Hydrometer

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