Torque and vector position....

  • Context: Undergrad 
  • Thread starter Thread starter physics user1
  • Start date Start date
  • Tags Tags
    Position Torque Vector
Click For Summary
SUMMARY

The discussion centers on the concept of torque as a cross product of a position vector and a force, emphasizing that torque can exist even without a traditional lever. Participants confirm that instantaneous torque can be defined at various points, regardless of whether an object is rotating. The relationship between torque and momentum is also acknowledged, reinforcing the idea that torque is not solely dependent on rotational motion.

PREREQUISITES
  • Understanding of vector mathematics, specifically cross products
  • Familiarity with the concept of torque in physics
  • Basic knowledge of momentum and its relationship to torque
  • Awareness of rotational dynamics and forces
NEXT STEPS
  • Study the mathematical formulation of torque using cross products
  • Explore the implications of instantaneous torque in non-rotational systems
  • Investigate the relationship between torque and angular momentum
  • Learn about applications of torque in engineering and physics problems
USEFUL FOR

Physics students, mechanical engineers, and anyone interested in the principles of torque and its applications in both rotational and non-rotational contexts.

physics user1
The torque is the cross product with a position vector (that is the lever lenght) and a force

But i the is torque also if there isn't a lever? I mean an instantaneus torque that is different in each point we consider it like in the photo

It is also a torque even if something doesn't rotate?

In lecture I have seen that the momentum can be like that
 

Attachments

  • 1452113968377-670310684.jpg
    1452113968377-670310684.jpg
    27.9 KB · Views: 458
Physics news on Phys.org
Cozma Alex said:
But i the is torque also if there isn't a lever?

It is also a torque even if something doesn't rotate?
Yes and yes.
 

Similar threads

Undergrad Conservation of angular momentum in the iceskater example
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad What is the Purpose of Torque?
  • · Replies 7 ·
Replies
7
Views
3K
Graduate Torque and Moment of Inertia of a Lever Arm
  • · Replies 2 ·
Replies
2
Views
4K
Undergrad Moment of Inertia about an axis and Torque about a point
  • · Replies 5 ·
Replies
5
Views
3K
Undergrad Does the classical theory of angular momentum explain this video of a unicycle robot?
  • · Replies 4 ·
Replies
4
Views
2K
Graduate Is there a true upward force on a rotating object?
  • · Replies 8 ·
Replies
8
Views
3K
Undergrad Torque required from powered roller to rotate cylinder
  • · Replies 19 ·
Replies
19
Views
3K
High School Torque applied by a continuous mass instead of point particle
  • · Replies 14 ·
Replies
14
Views
2K
Graduate Order of rotations due to torque in 3DOF in simulations
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad PIGA: Pendulous Integrating Gyroscopic Accelerometer
  • · Replies 0 ·
Replies
0
Views
1K