torque is acting parallel to the cross section (caused by shear forces) , while bending moment is acting perpendicular (caused by axial forces) that is the distinction between the two, they are both rotational forces
Very helpful to visualise stresses in beam .Respect from India. I think... Torque is the moment which acts along the longitudinal axis of component and hence, it causes twisting effect. While bending moments are the moment acting along the lateral axes of the component and cause bending effect.
Torsion is occurs when the object rotates about its longitudinal axis (generally called z axis) Bending ocurs when the obeject rotates about cross sectional axis (grnerally called x or y axis )
Very helpful, I don't have any training or experience in this domain, but I find it very interesting to understand conceptually what is happening in a structure. Thanks for making this accessible to people like me!
Bender Rodriguez is the most renowned consultant in the field and should have been mentioned ! Please correct this oversight and reissue this video with the aforementioned information.
TORQUE IS WHAT MAKES MY TIRES BREAK LOOSE IN MY CORVETTE, 1 of 600, ENOUGH HORSES IN THAT CAR TO GIVE THE FRAME A BENDING MOMENT, KNOW WHAT I MEAN HOSS?
The topic was explained very well and the addition of simple ideas without over complicating anything helps me understand. While the thorough explanation of every diagram helped me fallow every idea being introduced.
Moment about lateral axis is termed as Bending moment while moment about longitudinal axis of a member is termed as Torque. BENDING moment bends while torque twists an object.
In your example with paper sheets, you have 5 sheets (ood number). In that case, the middle sheet has no change in length. What will happen if you have an (even number) of sheets?
A useful way to think about it us at the limt case. By limit I mean when the thickness of the sheets gets infinitely small. Say 0.0000001 mm. In that case it doesn't matter too much whether there is 1 or 2 sheets at the middle. It just means that there is a theoretical point (line) where the stress is zero. Hope that helps 🙏
Can you please give me an example where Bending moment is minimum for Zero shear force at a section. Referring "At zero shear force bending moment can be maximum or minimum."
@asmokneel2464 I would say at a support of a simply supported beam. The moment is 0 and the shear force goes from 0 to the value of the reaction, so technically, it has both values at that point.
Thanks for bringing this up Erik. In Structural Engineering, bolted connections only to the web of the beam are considered as pin connections and allow rotations. The top and bottom flanges would also need to be bolted if the connection was to be considered as fixed (see 4:46). The connection at 4:14 allows the beam to rotate a fraction of a degree which is enough to provide relief from the bending stresses.
WTF. Never heard bending monent is a 2 force concept. Maybe 2nd force is the reaction to the force applied perpendicular to face. And torque is a special case of shear force. Unlike shear force, which is parallel to cross section amd perpendicular to face, torque is applied inclined to the face
@@rajshekar-nm3fh the NA is the location of the beam where the stress is equal to zero. Each cross-section along the length of the beam has an NA. If you connect all the NAs of each single section of the beam you get a plane.
📌your attempt at explanation is valuable, costly in time, but it is a failure, you lose a lot of people. The best explanation is based on the example of "a sponge". Congratulations on your attempt.
I'm not sure why you feel the need to be so patronising, nor why you think a 5 minute briefing is "costly in time". Speaking as a steel erector (not an engineer), I though their explanation was rather good: both accessible and adequate.
@@TheEngineeringHubcan you make an another video on how the bending moment formula is derived for uniform bending of the beam, and some more reasoning on bending moment And a video on how to read those graphs which you have given in this video
