Analytical question: circular rotation

Click For Summary
A point P on a smaller wheel cannot trace a straight line path inside a circular road due to the nature of circular motion. The discussion references an illustration from a physics resource to clarify the concept. Participants express confusion about the mechanics of circular rotation and how it relates to linear paths. The geometry involved complicates the idea of a straight line being traced. Understanding these principles is essential for grasping the relationship between circular motion and linear trajectories.
SAMAHIR
Messages
1
Reaction score
0
Homework Statement
Circular Rotation
Relevant Equations
NO
Can a point P on the smaller wheel trace a straight line
path inside the circular road (like the walls of a well)
 
Physics news on Phys.org

Attachments

  • tnsFig005_s.jpg
    tnsFig005_s.jpg
    21.3 KB · Views: 150
The book claims the answer is that all the magnitudes are the same because "the gravitational force on the penguin is the same". I'm having trouble understanding this. I thought the buoyant force was equal to the weight of the fluid displaced. Weight depends on mass which depends on density. Therefore, due to the differing densities the buoyant force will be different in each case? Is this incorrect?

Similar threads

  • · Replies 8 ·
Replies
8
Views
2K
  • · Replies 71 ·
3
Replies
71
Views
3K
Replies
9
Views
2K
Replies
55
Views
3K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 29 ·
Replies
29
Views
2K
  • · Replies 25 ·
Replies
25
Views
2K
Replies
2
Views
2K
  • · Replies 9 ·
Replies
9
Views
2K
  • · Replies 4 ·
Replies
4
Views
2K