Mass being dropped on spinning disk problem NEED HELP

Click For Summary
SUMMARY

The discussion centers on a physics problem involving a spinning disk with a radius of 1.25m and a mass of 10kg, initially rotating at 10 rad/s. A 5kg mass is dropped onto the disk at a distance of 0.50m from the center. The problem requires calculating the time while slipping and the distance traveled while slipping, given a coefficient of kinetic friction of 0.40 between the block and the disk.

PREREQUISITES
  • Understanding of rotational dynamics and angular velocity
  • Knowledge of frictional forces, specifically kinetic friction
  • Familiarity with basic physics equations related to motion and forces
  • Ability to perform calculations involving mass, radius, and velocity
NEXT STEPS
  • Study the principles of rotational motion and angular momentum conservation
  • Learn how to calculate frictional forces in dynamic systems
  • Explore the equations of motion for objects on rotating surfaces
  • Investigate the effects of varying coefficients of friction on motion
USEFUL FOR

This discussion is beneficial for physics students, educators, and anyone interested in understanding the dynamics of rotating systems and frictional interactions in mechanics.

jch11
Messages
2
Reaction score
0
Mass being dropped on spinning disk problem NEED HELP!

1. A disk has a radius of 1.25m and a mass of 10kg. It lies flat on a smooth table and is spinning with an initial velocity of 10 rad/s about a pin at its center. A 5kg mass is dropped on it at a distance of 0.50m from its center. Find:
(Extra credit) if the coefficient of kinetic friction between the block and the disk is 0.40, determine:
i. the time while slipping























ii. the distance traveled while slipping
 
Physics news on Phys.org
Welcome to PF!

Hi jch11! Welcome to PF! :wink:

Show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:
 

Similar threads

Graduate Mass dropped onto rotating disk
  • · Replies 5 ·
Replies
5
Views
3K
Velocity of center of mass of spinning disk
  • · Replies 4 ·
Replies
4
Views
3K
What Is the Rotation Speed of a Disk After Being Tossed?
  • · Replies 16 ·
Replies
16
Views
3K
Understanding an equation in a dynamics spring problem
  • · Replies 4 ·
Replies
4
Views
2K
Find Forces Over a Disk - 65 Characters
  • · Replies 3 ·
Replies
3
Views
2K
How Do You Calculate Acceleration and Velocity in a Spinning Disk Problem?
  • · Replies 1 ·
Replies
1
Views
4K
Complicated disk rolling problem (Angular Momentum and it's ilk)
  • · Replies 20 ·
Replies
20
Views
11K
Rotational Motion of Masses Problem
  • · Replies 2 ·
Replies
2
Views
3K
How Much Force Is Needed to Accelerate a Rolling Cylinder?
  • · Replies 9 ·
Replies
9
Views
4K
Perfectly Inelastic Disk and Stick Collision- Angular Speed
  • · Replies 2 ·
Replies
2
Views
8K