Solving Torque/Axel Problem: Angular Acceleration & Velocity

  • Thread starter Thread starter scarletx09
  • Start date Start date
Click For Summary
SUMMARY

The discussion focuses on solving a physics problem involving a thin, uniform 3.70-meter bar with 2.50-kilogram balls attached at each end. When one ball detaches, the task is to calculate the angular acceleration of the bar immediately after the detachment and its angular velocity as it passes through the vertical position. Participants emphasize the application of torque and energy principles to derive these values, confirming the relevance of these concepts in rotational dynamics.

PREREQUISITES
  • Understanding of torque in rotational motion
  • Knowledge of angular acceleration and angular velocity
  • Familiarity with energy conservation principles
  • Basic mechanics of rigid body dynamics
NEXT STEPS
  • Study the equations of motion for rotating bodies
  • Learn how to calculate torque in various scenarios
  • Explore the conservation of energy in rotational systems
  • Investigate the effects of mass distribution on angular motion
USEFUL FOR

Physics students, educators, and anyone interested in understanding the dynamics of rotating systems, particularly in the context of torque and angular motion.

scarletx09
Messages
5
Reaction score
0

Homework Statement


A thin, uniform 3.70- bar, 90.0 long, has very small 2.50- balls glued on at either end (the figure ). It is supported horizontally by a thin, horizontal, frictionless axle passing through its center and perpendicular to the bar. Suddenly the right-hand ball becomes detached and falls off, but the other ball remains glued to the bar.

Find the angular acceleration of the bar just after the ball falls off

Find the angular velocity of the bar just as it swings through its vertical position.


Homework Equations





The Attempt at a Solution



i think i need to use torque and energy principles
 
Physics news on Phys.org
welcome to pf!

hi scarletx09! welcome to pf! :wink:
scarletx09 said:
… i think i need to use torque and energy principles

looks good! :wink:

what do you get? :smile:​
 

Similar threads

Torque, beam, angular acceleration problem
  • · Replies 4 ·
Replies
4
Views
5K
Moment of Inertia of a Thin Rod about its Center
  • · Replies 2 ·
Replies
2
Views
6K
When is Conservation of angular momentum valid?
  • · Replies 9 ·
Replies
9
Views
2K
Conservation of Angular Momentum problem
  • · Replies 10 ·
Replies
10
Views
5K
How Do You Calculate Angular Acceleration in a Pivoting Rod Problem?
  • · Replies 1 ·
Replies
1
Views
2K
A thin uniform bar, hanging, is hit by a ball. Find the angular velocity
  • · Replies 3 ·
Replies
3
Views
5K
Rotations from angular acceleration and final angular velocity
  • · Replies 3 ·
Replies
3
Views
1K
What is the angular acceleration of the rod?
  • · Replies 18 ·
Replies
18
Views
7K
Precession of Rotating Rigid Body from Two Different Frames
  • · Replies 2 ·
Replies
2
Views
2K
Rotating Bar Problem: Solving Angular Velocity
  • · Replies 3 ·
Replies
3
Views
2K