How Does Friction Affect Acceleration and Tension in a 3-Block Pulley System?

In summary, the conversation discusses a drawing with three objects connected by strings over pulleys. The objects have a coefficient of kinetic friction of 0.100 with the surface of the table. The question asks for the acceleration of the objects and the tension in the strings, with given masses of 10.0kg and 80.0kg.
  • #1
mike2148b
2
0
1. The drawing shows three objects. They are connected by strings that pass over massless and friction free pulleys. The objects move, and the coefficient of kinetic friction between the middle object and the surface of the table is 0.100
(a) What is the Acceleration of the three objects? (b) Find the tension in each of the two strings.

http://i4.photobucket.com/albums/y111/kathy_felldown/sb-pic0550.png"

m1 = 10.0kg m2 = 80.0kg




Homework Equations





The Attempt at a Solution

 
Last edited by a moderator:
Physics news on Phys.org
  • #2
What is your attempt to solution?
 
  • #3
I didn't mean to post this(didn't know it even got posted). I am not sure how to remove it.
 

1. How does a 3 block pulley system work?

A 3 block pulley system consists of three pulleys, with one fixed to a stationary object and the other two attached to the object being lifted. The rope or belt is threaded through the three pulleys in a specific pattern, creating a mechanical advantage that allows for easier lifting of heavy objects.

2. What is the mechanical advantage of a 3 block pulley system?

The mechanical advantage of a 3 block pulley system is typically 3, meaning that the force required to lift an object is one-third of the weight of the object. This is due to the multiple pulleys reducing the amount of force needed to lift the load.

3. How do you calculate the weight that can be lifted with a 3 block pulley system?

The weight that can be lifted with a 3 block pulley system can be calculated by dividing the input force (the force applied to lift the load) by the mechanical advantage of the system. For example, if the input force is 30 pounds and the mechanical advantage is 3, then the weight that can be lifted is 10 pounds.

4. What are the main components of a 3 block pulley system?

The main components of a 3 block pulley system are the three pulleys, the rope or belt, and the object being lifted. The pulleys may be made of metal or plastic, and the rope or belt should be strong enough to support the weight of the load.

5. What are some common uses for a 3 block pulley system?

A 3 block pulley system is commonly used in construction, engineering, and transportation industries to lift heavy objects such as building materials, machinery, and cargo. It is also used in fitness equipment, theatrical rigging, and other applications where a mechanical advantage is needed to lift heavy loads with less force.

Similar threads

Newton's Second Law (Pulley Sustem)
    • Introductory Physics Homework Help
Replies
3
Views
794
3 pulley problem with attached masses
    • Introductory Physics Homework Help
Replies
15
Views
2K
Accelerating pulleys (3 pulleys and 3 masses)
    • Introductory Physics Homework Help
Replies
5
Views
1K
Finding the period of pulley system
    • Introductory Physics Homework Help
Replies
22
Views
2K
Two blocks, a fixed pulley and friction
    • Introductory Physics Homework Help
Replies
4
Views
2K
Pulley system, find the acceleration and tension
    • Introductory Physics Homework Help
2
Replies
40
Views
4K
Using Effective Mass to find the accelerations of 3 masses connected by pulleys
    • Introductory Physics Homework Help
Replies
25
Views
2K
Acceleration in a pulley system
    • Introductory Physics Homework Help
Replies
8
Views
6K
Force applied on the pulley of a system
    • Introductory Physics Homework Help
Replies
8
Views
2K
Acceleration of system related to rolling motion and pulley
    • Introductory Physics Homework Help
2
Replies
35
Views
2K

Hot Threads

Recent Insights

Back
Top