If the angle you're turning the wrench by the cord isn't 90° angle, but instead some angle A, then Torque is instead given by Torque = Force×Length×Sin(A) . When A=90°, since Sin(A)=1, then Torque=Force×Length. This formula is also a good approximation for any angles A 'near' to 90°. These facts are due to a physics generalization of Torque as being a vector (a directed line segment & also a quantity with BOTH length and direction). The Torque vector is equal to the 'cross' product of the force vector with the radial distance vector ('rotating' length force is applied to, ie: wrench length). ^T=(^F)X(^L) The 'magnitude' (size) of Torque vector = "Torque" = (Force size)×(rotating Length)×sin(A). (google vectors, dot product and cross product if interested in this specific math and physics definition)
Thanks for the additional clarification, you are of course correct. However,. I wanted to keep the video simple so that most people could just follow the instructions without having to struggle with more calculations than necessary Terry
1kg is equivalent to 2.2lb. Hence, if you use the formula in the video and then multiply the number of kgs by 2.2 that will give you the number of pounds force you should apply at the end of your lever arm.
@@FiveMinuteVelo Thank you. I’ll have to keep this in mind in the future. For now I just went and bought compact torque wrench with crow foot. Don’t have much room and this would have worked but wanted less to think about, on this already tedious job.
I love 🍰, if you could leave some in the comments that would be great. Also, 🍰 emojis are calorie free 👍.
This is absolutely genius!
If the angle you're turning the wrench by the cord isn't 90° angle, but instead some angle A, then Torque is instead given by
Torque = Force×Length×Sin(A) .
When A=90°, since Sin(A)=1, then
Torque=Force×Length.
This formula is also a good approximation for any angles
A 'near' to 90°.
These facts are due to a physics generalization of Torque as being a vector (a directed line segment & also a quantity with BOTH length and direction).
The Torque vector is equal to the 'cross' product of the force vector with the radial distance vector ('rotating' length force is applied to, ie: wrench length).
^T=(^F)X(^L)
The 'magnitude' (size) of Torque vector
= "Torque"
= (Force size)×(rotating Length)×sin(A).
(google vectors, dot product and cross product if interested in this specific math and physics definition)
Thanks for the additional clarification, you are of course correct. However,. I wanted to keep the video simple so that most people could just follow the instructions without having to struggle with more calculations than necessary
Terry
What would 22 nm be in pounds?
This really helped me out today, thank you
Thank you for letting me know, it is why I make the videos, to help. 👍😃
What would 22NM in pounds on luggage scale?
1kg is equivalent to 2.2lb. Hence, if you use the formula in the video and then multiply the number of kgs by 2.2 that will give you the number of pounds force you should apply at the end of your lever arm.
@@FiveMinuteVelo Thank you. I’ll have to keep this in mind in the future. For now I just went and bought compact torque wrench with crow foot. Don’t have much room and this would have worked but wanted less to think about, on this already tedious job.
Very nifty
Thanks, glad it was helpful.
@@user-qt9vw1kd1v yes, no problem in scaling to larger torques.
@@user-qt9vw1kd1v yes that should do it, or you could use a longer lever arm.