- #1
eurekameh
- 209
- 0
If rod BD is fixed at collar C, it is not rotating, correct? Why is the angular acceleration being asked if it's not rotating?
Angular acceleration without rotation?
- Thread starter eurekameh
- Start date
Click For Summary
Homework Help Overview
The discussion revolves around the concept of angular acceleration in a system involving a rod and a collar, with a focus on the conditions under which the rod may or may not be rotating.
Discussion Character
- Conceptual clarification, Assumption checking
Approaches and Questions Raised
- Participants explore the conditions of rotation and the implications of the collar's movement, questioning whether the rod is fixed or sliding and how that affects angular acceleration.
Discussion Status
There is an ongoing exploration of the system's mechanics, with some participants clarifying the nature of the collar and its effect on the rod's rotation. Acknowledgment of rotation has been made, but no consensus on the implications has been reached.
Contextual Notes
Participants note that the problem involves kinematics and relative velocities, indicating a complexity beyond basic physics principles.
If rod BD is fixed at collar C, it is not rotating, correct? Why is the angular acceleration being asked if it's not rotating?
- #2
schliere
- 32
- 1
It's not fixed at collar C, it's sliding through it. It if were fixed, there would be 0 degrees of freedom, and OB could not be rotating.
- #3
SHISHKABOB
- 539
- 1
it also looks like the collar can rotate at point C
- #4
schliere
- 32
- 1
This is also a kinematics problem, not an introductory physics problem, and involves using relative velocities.
- #5
eurekameh
- 209
- 0
Nevermind, it is rotating. Thanks!