How Does Acceleration Impact the Angular Rotation of a Beam?

Click For Summary

Discussion Overview

The discussion revolves around the relationship between acceleration and angular rotation of a beam, particularly focusing on how acceleration affects the velocity of a point on the beam. Participants explore the implications of acceleration in the context of a specific scenario involving a fulcrum and linear/angular velocity relationships.

Discussion Character

  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant presents an equation relating the velocities of points A and B on the beam, questioning how to incorporate acceleration into this relationship.
  • Another participant notes the phrase "at this instant," suggesting a focus on a specific moment in time.
  • A different participant questions whether acceleration has no effect on the situation, indicating uncertainty about its impact.
  • One participant raises the idea of a relationship between linear velocity and angular velocity, implying a potential connection that may need further exploration.

Areas of Agreement / Disagreement

Participants express uncertainty regarding the effect of acceleration on the angular rotation of the beam, with no consensus reached on whether acceleration influences the velocity of point A or how it should be accounted for in calculations.

Contextual Notes

Participants have not fully resolved the mathematical implications of acceleration in this context, and there may be missing assumptions regarding the definitions of velocity and angular velocity.

Ry122
Messages
563
Reaction score
2
if b is the fulcrum then Va = Vb + Wab*rb/a
But this taking into account only the velocity mentioned in the question.
I'm not sure what effect the acceleration will have on the velocity of point A.
What equation do I need to use to take the acceleration into account as well?

[PLAIN]http://img197.imageshack.us/img197/112/beamdy.jpg
 
Last edited by a moderator:
Physics news on Phys.org
It says "at this instant", so...
 
Are you saying that it has no effect?
 
Isn't there a relationship between linear velocity and angular velocity?
 

Similar threads

Angular Acceleration and relative velocity
  • · Replies 5 ·
Replies
5
Views
4K
Calculating Angular Deflection in a Welded Steel Bracket
  • · Replies 11 ·
Replies
11
Views
3K
Undergrad Conservation of angular momentum in the iceskater example
  • · Replies 10 ·
Replies
10
Views
2K
Undergrad Non-Constant Angular Acceleration
  • · Replies 6 ·
Replies
6
Views
3K
Change in Angular Velocity While Orbiting With No Torque
  • · Replies 30 ·
2
Replies
30
Views
4K
Undergrad Writing an equation for torque around an arbitrary point on a body
  • · Replies 6 ·
Replies
6
Views
1K
Velocity / Acceleration Diagrams of a Mechanism - Piston and a rotating rod
  • · Replies 1 ·
Replies
1
Views
2K
Undergrad How Does Angular Velocity Affect Instantaneous Acceleration in Rotating Systems?
  • · Replies 1 ·
Replies
1
Views
1K
Undergrad How can angular displacement be larger than 2pi?
  • · Replies 20 ·
Replies
20
Views
3K
Perfectly inelastic collision between Projectile and a hinged disk
  • · Replies 26 ·
Replies
26
Views
2K