Multiple Pulley/Friction system

  • Thread starter Thread starter frostmephit
  • Start date Start date
  • Tags Tags
    Multiple System
Click For Summary
SUMMARY

The discussion centers on solving a physics problem involving a multiple pulley and friction system. The coefficient of kinetic friction between the blocks is specified as 0.30. The problem requires determining the acceleration of each block and the tension in the strings under two scenarios: one with frictionless surfaces and another with friction between the bottom block and the table. Key equations include F = ma and Ffr = FN(μk), where FN is the normal force and μk is the coefficient of kinetic friction.

PREREQUISITES
  • Understanding of Newton's Second Law (F = ma)
  • Knowledge of friction concepts, specifically kinetic friction
  • Familiarity with pulley systems in mechanics
  • Ability to calculate normal force (FN = mg)
NEXT STEPS
  • Study the effects of friction on pulley systems in physics
  • Learn how to calculate tension in strings using Newton's laws
  • Explore advanced problems involving multiple pulleys and varying coefficients of friction
  • Review examples of similar physics problems to reinforce understanding
USEFUL FOR

Students studying physics, particularly those focusing on mechanics and dynamics involving pulleys and friction, as well as educators looking for problem-solving strategies in these topics.

frostmephit
Messages
2
Reaction score
0
Multiple Pulley/Friction system Please Help!

Homework Statement


In the given figure, the coefficient of kinetic friction between the two blocks shown is 0.30

a) Assume that the surface of the table and the pulleys are frictionless. Determine the acceleration of each block and the tension in the strings.

b) If the coefficient of kinetic friction between the table and the bottom block is now also 0.30, determine the acceleration of each block and the tension in the strings.


Homework Equations


F = ma
Ffr = FN([itex]\mu[/itex]k)
FN = mg

The Attempt at a Solution


ƩFx = Ft1 + ([itex]\mu[/itex]k)(g)(m1m2)
I'm stuck. I know that the calculations of the tension are dependent on the friction, but I'm not quite sure how to calculate the friction and tension.
 

Attachments

Physics news on Phys.org


Does this help?
 

Attachments

  • blocks085.jpg
    blocks085.jpg
    26.2 KB · Views: 2,151

Similar threads

Newton's Second Law (Pulley Sustem)
  • · Replies 3 ·
Replies
3
Views
2K
Ideal Vs Real Mass Pulley system
  • · Replies 10 ·
Replies
10
Views
5K
Newton's law problem: Pushing 2 stacked blocks on a horizontal table
  • · Replies 13 ·
Replies
13
Views
3K
Calc Forces on Pulleys: 200N, 300N Masses, No Friction
  • · Replies 1 ·
Replies
1
Views
2K
Two blocks, a fixed pulley and friction
  • · Replies 4 ·
Replies
4
Views
3K
Calculating Acceleration of M1,M2 System w/ Friction
  • · Replies 10 ·
Replies
10
Views
4K
Coefficient of Friction when Normal Force is Reduced [HS]
  • · Replies 5 ·
Replies
5
Views
2K
Finding the period of pulley system
  • · Replies 22 ·
Replies
22
Views
3K
Find the frictional force on the block
  • · Replies 10 ·
Replies
10
Views
3K
Projectile Motion with Pulley System
  • · Replies 3 ·
Replies
3
Views
2K