How Does Gravity Affect the Fall of a Yo-Yo?

  • Context: Undergrad 
  • Thread starter Thread starter Feynmanfan
  • Start date Start date
  • Tags Tags
    Works
Click For Summary
SUMMARY

The discussion centers on the dynamics of a yo-yo's fall under the influence of gravity, specifically examining the conditions required for the center of mass of the disk to fall vertically. The participants explore whether the disk would descend more rapidly if it were attached to a pole, indicating a need for clarity on the forces acting on the yo-yo system. Key concepts include gravitational acceleration and the effects of rotational inertia on the fall rate of the disk.

PREREQUISITES
  • Understanding of gravitational acceleration
  • Familiarity with rotational inertia
  • Basic principles of mechanics
  • Knowledge of center of mass concepts
NEXT STEPS
  • Research the effects of rotational inertia on falling objects
  • Study the principles of torque and angular motion
  • Learn about the dynamics of yo-yos in physics
  • Explore the relationship between tension in strings and acceleration
USEFUL FOR

Physics students, educators, and anyone interested in the mechanics of falling objects and rotational dynamics.

Feynmanfan
Messages
128
Reaction score
0
Dear friends,

Here's a problem I can't solve. The disk on the picture falls under influence of gravity. The horizontal table creates no friction and the string that binds mass m and the disk is rolled up around the disk. The center of mass of the disk falls vertically.

My question is: what's the condition it has to satisfy, so that this last statement is true?

Do you think it's true that the disk will fall faster if it were attached to the pole?

Thanks for your help!
 

Attachments

Physics news on Phys.org

Similar threads

Undergrad Equation of motion for a simple mechanical system
  • · Replies 2 ·
Replies
2
Views
2K
Undergrad An ID-card sliding on a low friction table
  • · Replies 14 ·
Replies
14
Views
2K
Undergrad Is Mechanical Energy Conservation Free of Ambiguity - follow up
  • · Replies 77 ·
3
Replies
77
Views
7K
Undergrad How does pressure act in all directions if gravity is downward only
  • · Replies 4 ·
Replies
4
Views
2K
What Determines the Vertical Fall of a Yo-yo in a Frictionless Environment?
  • · Replies 16 ·
Replies
16
Views
6K
Solving Yo-Yo Force Problem: Find Acceleration & Friction Force
  • · Replies 1 ·
Replies
1
Views
3K
Challenge How do you calculate the motion of a ball rolling on a rotating table?
  • · Replies 62 ·
3
Replies
62
Views
11K
Undergrad The Gravity Paradox: Does Mass Affect Speed?
  • · Replies 7 ·
Replies
7
Views
10K
Undergrad Radius of ball matters in fall speed
  • · Replies 8 ·
Replies
8
Views
3K
How Does Angular Velocity Change in Different Yo-Yo Maneuvers?
  • · Replies 1 ·
Replies
1
Views
3K