Help with a complex pulley problem

Click For Summary
SUMMARY

The discussion focuses on solving a complex pulley problem involving ideal pulleys and a mass m. The user seeks to determine the force F exerted by a person pulling on the strings, in relation to the gravitational force mg. The equations provided indicate that the tensions T1 and T2 are equal, and the user is advised to isolate the pulley associated with T1 and create a free body diagram to analyze the forces acting on it. The conclusion emphasizes the need to apply static equilibrium principles to derive the relationship between F, m, and g.

PREREQUISITES
  • Understanding of static equilibrium in physics
  • Familiarity with free body diagrams
  • Knowledge of tension in ideal pulley systems
  • Basic grasp of Newton's laws of motion
NEXT STEPS
  • Study the principles of static equilibrium in detail
  • Learn how to construct and analyze free body diagrams
  • Explore the concept of tension in various pulley configurations
  • Review Newton's laws of motion and their applications in mechanics
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and pulley systems, as well as educators looking for examples of static equilibrium problems.

stonecoldgen
Messages
108
Reaction score
0

Homework Statement


The problem is based in the diagram (the jpg attached).

All pulleys are ideal pulleys, and the hanging surface is massless. the problem states that the guy with mass m pulls each string with a force F, and asks to solve the value of F in terms of m and g. Since the pulleys are ideal I know that the forces on the ends are both F, as marked in the diagram, but I don't know what are the values of T1 and T2 (note:T1=T2). If anyone could please help I would appreciate it.

ƩF=0=-mg+2F+F+F+T1+T2
 

Attachments

  • complex pulley problem.jpg
    complex pulley problem.jpg
    16.7 KB · Views: 1,305
Physics news on Phys.org
isolate the pulley associated with T1 and draw a free body diagram for it.
 

Similar threads

Pulley system problem: 6 Pulleys and 1 Mass
  • · Replies 5 ·
Replies
5
Views
1K
Acceleration of a mass lowered by a motor (Help with Non-Ideal Pulley)
  • · Replies 4 ·
Replies
4
Views
2K
Ideal Vs Real Mass Pulley system
  • · Replies 10 ·
Replies
10
Views
5K
3 pulley problem with attached masses
  • · Replies 15 ·
Replies
15
Views
7K
2 pullies and 3 masses -Tension
  • · Replies 18 ·
Replies
18
Views
5K
Pulley system to balance the weight of a person
  • · Replies 7 ·
Replies
7
Views
2K
Experimental Design: Pulley and Mass Hangers
  • · Replies 30 ·
2
Replies
30
Views
4K
Moment of Inertia with pulley and two masses on a string (iWTSE.org)
  • · Replies 8 ·
Replies
8
Views
15K
Calculate the initial acceleration of this pulley system
  • · Replies 8 ·
Replies
8
Views
3K
Calculating acceleration of a prism and block connected to a wall through a rope and pulley
  • · Replies 4 ·
Replies
4
Views
1K