Basic formula for maximum bending moment, Mechanical Engineering

Assignment Help:

Q. Write down the basic formula for maximum bending moment in some ideal cases.

Sol.:

 

Berm together with nature of load

Maximum B.M.

Section when maximum B.M. occurs

1.

 

 

 

 

 

 

Cantilever loaded with 1 point load wat the free end.

WL

It occurs at fixed end.

1562_bending moment.png

 

2.

 

 

 

 

 

 

 

Cantilever loaded with U.D.L. over entire length.

WL2

2

here

W = total value of U.D.L.

20 × l

 

It occurs at fixed end.

 

w/unit length

758_bending moment1.png

 

Berm together with nature of load

Maximum B.M.

Section when maximum B.M. occurs

 

3.

 

 

 

 

Boam loaded with 1 point load at the mid-span.

WL

4

where

W = point load placed at mid-span.

 

If occurs at mid-span.

 

 

 

2340_bending moment2.png

 

4.

 

WL2

8

where

W = total value of U.D.L.

= 20 × l.

 

If occurs at mid-span.

w/unit length

 

 

l


Related Discussions:- Basic formula for maximum bending moment

Molding process, why compression molding process is impractable for thermop...

why compression molding process is impractable for thermoplastics?

Determine the heat transfer coefficient, The average heat transfer co effic...

The average heat transfer co efficient for flow of 100 o C air over a flat plate is calculated by observing the temperature time history of a 3mm thick copper slab exposed 100 o

Find out the common velocity, Find out their common velocity: An aerop...

Find out their common velocity: An aeroplane weighing 40 kN horizontally moves with a velocity of 20 m/sec (72 kmph, that means 72 km per hour). A helicopter of weight 20 kN i

Total resistance of the system between the electrodes, The total resistance...

The total resistance of the system between the electrodes consists of (i) The resistance of the work piece R 1 (ii) The contact resistance between the electrodes and the wo

Low alloy creep resisting and electrodes for cryogenic , LOW ALLOY CREEP RE...

LOW ALLOY CREEP RESISTING ELECTRODES AND ELECTRODES FOR CRYOGENIC APPLICATIONS The flux coating contains small amount of alloying elements like Cr, Mo and sometimes V for creep r

Positive material identification testing, Q. Positive Material Identificati...

Q. Positive Material Identification Testing? Any physical evaluation or a test of a material to confirm that the material which has been or will be placed into service is consi

Aerospace engineering, An airfoil of surface area 1.5 ft2 is tested for lif...

An airfoil of surface area 1.5 ft2 is tested for lift L in a wind tunnel. At an angle of attack of 7° with standard air of density 0.0024 slugs/ft3 at a speed of 90 ft/sec, the lif

Determine magnitude of the couple, Determine magnitude of the couple: ...

Determine magnitude of the couple: A square block having each side 1.5 m is acted upon by system of forces along its sides as shown in the adjoining figure. If system reduces

Direct stress, diff.between direct stress and bending stress

diff.between direct stress and bending stress

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