Can someone explain this please? Weird pulley with Tension

Click For Summary
SUMMARY

The discussion centers on a physics problem involving a non-standard pulley system with tension. Participants emphasize the importance of drawing a Free Body Diagram (FBD) to analyze the forces acting on the pulleys, particularly noting that the pulleys are not pivoted at their centers. The consensus is that understanding the correct placement of forces is crucial for solving the problem accurately, leading to the conclusion that the answer is option B.

PREREQUISITES
  • Understanding of Free Body Diagrams (FBD)
  • Knowledge of tension forces in pulley systems
  • Familiarity with basic mechanics principles
  • Ability to analyze non-standard pivot points in physics problems
NEXT STEPS
  • Study the principles of tension in pulley systems
  • Learn how to construct Free Body Diagrams for complex systems
  • Explore the effects of non-standard pivot points on force distribution
  • Review problem-solving strategies for mechanics in physics
USEFUL FOR

Students studying physics, educators teaching mechanics, and anyone interested in understanding complex pulley systems and tension analysis.

joanhn
Messages
1
Reaction score
0
Can someone explain this please?? Weird pulley with Tension

Homework Statement


See attached picture for problem


Homework Equations



n/a

The Attempt at a Solution



The answer is B. No idea why.
Any help would be appreciated. Thanks!
 

Attachments

  • Screen shot 2013-12-19 at 8.53.37 PM.png
    Screen shot 2013-12-19 at 8.53.37 PM.png
    25.5 KB · Views: 534
Physics news on Phys.org
Have you tried drawing a FBD for the pulley's in each position?
Notice that the pulleys are not pivoted at their centers.
You need to be careful about where the forces get drawn.
 

Similar threads

  • · Replies 12 ·
Replies
12
Views
2K
Replies
19
Views
2K
  • · Replies 3 ·
Replies
3
Views
4K
  • · Replies 22 ·
Replies
22
Views
2K
  • · Replies 3 ·
Replies
3
Views
2K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 1 ·
Replies
1
Views
3K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 15 ·
Replies
15
Views
7K
  • · Replies 11 ·
Replies
11
Views
4K